CBSE IX Physics Motion
define equations of motion
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1st March 2008
3:25 PM
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CBSE IX ALL Subject
do we hav to know the derivation of eqn of motions from exam question point of view
Asked by AMOGH
15th March 2008
7:36 PM
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CBSE IX Physics Motion
another quest. a small steel ball is dropped from a height of 2.5m into glycerin jar. it hits the surface of glycerin with certain velocity and sinks into the bottom by losing its 20% of its velocity at the surface. if the time taken to reach the bottom after it si dropped is 2 sec. and velocity in glycerin is lost at constant rate, then fiind the average velocity of the ball of journey
Asked by vedant sharma
6th October 2014
12:10 PM
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CBSE XI Science Physics Motion in a Straight Line
A ball thrown vertically upwards with a speed of 9.6m/s from the top of a tower retuns to the earth in 6sec .Find height of the tower.
Asked by JAIBHARGAVA200
14th October 2014
2:19 PM
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CBSE VIII Science Force and Pressure
A lift whose cage is 3 m high is moving up with an acceleration of 2m/s2. A piece of stone is dropped from the top of the cage of the lift when its velocity is 8m/s. if g =10m/s2 then the stone wil reach the floor of the lift after how much time?
A lift whose cage is 3 m high is moving up with an acceleration of 2m/s2. A piece of stone is dropped from the top of the cage of the lift when its velocity is 8m/s. if g =10m/s2 then the stone wil reach the floor of the lift after how much time?
Asked by Saptarshi Sen
19th April 2015
2:01 PM
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CBSE XI Science Physics Gravitation
A body is thrown vertically upwards with velocity 'u'. The distance travelled by it in the fifth and sixth seconds are equal. what is the value of 'u'? (Take g=9.8m/s^2)
Asked by Isha Yadav
20th April 2015
6:55 PM
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CBSE XI Science Physics Motion in a Straight Line
A body thrown vertically upwards from top of a building reaches the foot of the building in 5 sec;but it will take only 2 secif thrown vertically down with the same velocity.Calculate the height of the building.Given g=9.8m/sec^2.
Asked by Benjamin
19th September 2015
5:43 PM
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ICSE X Physics Force
A train starts from rest and moves with a constant acceleration 'a'. The guard of the train reaches the end of the platform with a speed 'v' and a passenger exactly in the middle of the train reaches the end of the platform with a speed 'u'. Determine hte speed with which a passenger seated mid-way between the guard and the passenger mentioned earlier, crossed the platform. Express it in the form of 'v'.
Asked by bjayanta
4th May 2016
3:58 PM
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CBSE XI Science Physics Motion in a Straight Line
A rocket is fired upwards from earth's surface such that it creates an acceleration of 20 m/sec ^2 .
If after 5 sec its engine is switched off, the maximum height of the rocket from earth's surface will be ?
A rocket is fired upwards from earth's surface such that it creates an acceleration of 20 m/sec ^2 .
If after 5 sec its engine is switched off, the maximum height of the rocket from earth's surface will be ?
Asked by Balbir
14th May 2016
4:40 PM
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CBSE IX Physics Motion
A vehicle moving with a speed of 36km/hr see a red light ahead and applies breaks and stops after covering 10m distance on a moving. Another vehicle moving at a speed of 72km/hr and applying breaks it stops after covering 30m distance. Assuming same reaction time and same deceleration in each case what is the distance covered before stopping when breaks are applied on the vehicle when it is moving at a speed of 54km/hr
Asked by Hrishikesh marathe
13th June 2016
7:11 AM
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CBSE IX Physics Motion
A particle moving in straight line experience constant acceleration for 20 second after starting from rest. If it travel a distance S1 in the first 10 seconds and distane S2 in the next 10 seconds then find the relation between S1 and S2
Asked by Hrishikesh marathe
13th June 2016
7:35 AM
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CBSE XI Science Physics Motion in a Straight Line
Sir/mam
Can you please find the derivative dx/dt in the following question no. 8 (i) and write the steps involved ?
Asked by Varsneya Srinivas
26th June 2016
6:22 PM
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ICSE X Physics Electrical Power and Household Circuits
A car running at a speed of 72 km/hr is slowed down to 18 km/hr over a distance of 40 m.Calculate :(1) the retardation produced by the brakes.(2)time for which brakes are applied?
Asked by nisha_vini29
3rd July 2017
12:24 PM
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CBSE XI Science Physics Motion in a Plane
a stream 200m broad is running downward at the rate of 1 km/h .a swimmer who can swim at the rate of 2 km/h wishes to reach a point just opposite . along what line should he striker and how long will he taker is crossing ?
Asked by hrushikesh.barik
11th October 2017
8:16 PM
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CBSE IX Physics Force and Laws of Motion
A boy on a cliff 49 m high drops a stone. One second later, he throws a second stone after the first. They both hit the ground at the same time. With what speed he throw the second stone ?
Asked by pratikoke20
31st October 2017
5:58 PM
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JEE Plances ALL Class Physics Rotational Mechanics
ques no 9
ques no 9
Asked by chandanbr6004
15th November 2017
9:36 PM
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JEE Plances ALL Class Physics Kinds Of Sentences
ques no 10
ques no 10
Asked by chandanbr6004
15th November 2017
9:40 PM
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JEE Plances JEE (Main) Physics Motion in a Straight Line
Solve this
Asked by venkat
25th December 2017
8:59 PM
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JEE Plances ALL Class Physics Motion in a Straight Line
Solve this
Asked by venkat
25th December 2017
9:05 PM
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CBSE IX Physics Force and Laws of Motion
A ball is dropped on the floor from a height of 10 metre rebounds to a height of 2.5 M if the ball is in contact with the floor for 0.01 seconds what is the average acceleration during contact
Asked by www.naresh
4th February 2018
7:28 AM
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ICSE IX Physics Motion in One Dimension
A spacecraft flying in a straight course with velocity of 75 km/s fires its rocket motors for 6.0s. At the end of this time its velocity becomes 120 km/s . Find the distance travelled by the spacecraft in the first 10 s after the motors were started,the motors being in action for only 6.0s
Asked by Adrija
21st February 2018
6:50 PM
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CBSE XI Science Physics Motion in a Straight Line
The 2 ends of train ,moving with a constant acceleration,pass a certain with velocity u and v .Show that velocity with which the middle point of train passes the same point is root of(usquare +v square)/2
Asked by ajaysekharjs
27th August 2018
11:54 AM
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CBSE XI Science Physics Motion in a Straight Line
IF A CAR start from rest and TRAVEL WITH CONSTANT acceleration for 10 second.find the ratio of distance in 1st and 2nd second travel by car?
Asked by er.arunnegi
19th December 2018
7:34 AM
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NEET NEET Physics Kinematics
A ball is thrown up with a certain velocity so that it reaches a height h. Find the ratio of times in which it is at h/3.
Asked by devigeetha531
8th January 2019
4:37 PM
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CBSE XI Science Physics Motion in a Straight Line
Plz answer 12th ques
Asked by lovemaan5500
17th January 2019
6:08 AM
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CBSE XI Science Physics Motion in a Straight Line
13th sum plz
Asked by lovemaan5500
17th January 2019
6:09 AM
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ICSE XI Science Physics
Plz answer 3rd sum
Asked by lovemaan5500
17th January 2019
6:10 AM
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CBSE XI Science Physics Motion in a Straight Line
Plz answer 4th part of 8th ques
Asked by lovemaan5500
17th January 2019
6:12 AM
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CBSE XI Science Physics Motion in a Straight Line
eg. v = 2x ; assume t = 0 ; x = 2 m ; find a(t)?
Asked by kapilkulhari
23rd May 2019
6:56 PM
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CBSE XI Science Physics
Kinematic motion
Asked by Vimalraj
12th June 2019
4:19 PM
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CBSE IX Physics Motion
What is mean by velocity
Asked by rnarke6
22nd June 2019
3:28 PM
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ICSE IX Physics Motion in One Dimension
What will be the answer for attached question?
Asked by Mamtamohanty77
14th August 2019
11:28 AM
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CBSE IX Physics Motion
what is SI in motion
Asked by yadubhatia2004
18th August 2019
5:40 PM
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CBSE IX Physics
A body travels 200cm in the first 2 seconds and 220cm in the next 5seconds.Calculate the velocity at the end of the seventh second from the start.
Asked by Santosh.kumar0317
27th August 2019
10:50 PM
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CBSE IX Physics Motion
A ball is thrown vertically words from ground when it is at three fourth of its maximum height its speed is 20 metre per second the speed of throw is
Asked by nikhat0200
28th August 2019
7:19 AM
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CBSE IX Physics Motion
Prove that if a body is thrown vertically upward the time of ascent is equal to the time of descent
Asked by Godararahul0250
4th September 2019
4:51 PM
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CBSE XI Science Physics Motion in a Straight Line
How is dx/dt=5?
Asked by kksureshbabu72
22nd September 2019
11:19 AM
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CBSE IX Physics Motion
solve please
Asked by tvanshbhai
28th December 2019
11:43 AM
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NEET NEET Physics Kinematics
please answer following with proper explaination
Asked by Prashant DIGHE
30th January 2020
10:26 PM
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CBSE IX Physics Motion
Problems and solutions on kinematics, Horizontal motion
Asked by Srinivastalluri05talluri
19th April 2020
1:33 PM
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NEET NEET Physics
please answer this ?
Asked by Prashant DIGHE
20th April 2020
10:38 PM
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NEET NEET Physics
please answer this ?
Asked by Prashant DIGHE
20th April 2020
10:47 PM
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NEET NEET Physics
please answer this ?
Asked by Prashant DIGHE
20th April 2020
10:48 PM
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ICSE VI Physics
What is motiob?
Asked by virajtrada1212.6sdatl
23rd April 2020
4:03 PM
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CBSE XI Science Physics Physical World
what's kinematics
Asked by msouvik852
1st May 2020
7:53 PM
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ICSE VII Physics Motion
what is acceleration?
Asked by Prateek_arora22
2nd May 2020
3:35 PM
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ICSE X Physics
What is momentum
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3rd May 2020
4:05 PM
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CBSE XI Science Physics Motion in a Straight Line
On turning a corner, a motorist rushing at 44 ms-1 find a child on the road ahead. He is currently stops the engine and applies the brakes so as to stop it within 1m of the child. Calculate time required to stop it stops.
Asked by harsh.mangla.2003
4th May 2020
11:10 AM
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CBSE IX Physics
A car covers 40m in 8.5 s while applying brakes to a final speed of 2.8m/s. i) What is the initial speed of the car? ii) What is its acceleration?
Asked by sundaramoorthy.md
8th May 2020
10:02 PM
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CBSE XI Science Physics
Pls answer the question
Asked by Nakshu2004
13th May 2020
9:21 AM
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ICSE VII Physics
What is speed?
Asked by sanikabhagwat65.7spicertl
17th May 2020
3:44 PM
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CBSE XII Science Physics
a particle starts from rest with constant acceleration, if first distance S is covered in time tthen the time taken to cover the next 2S distance is
Asked by sne271gha
20th May 2020
11:00 PM
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CBSE XI Science Physics Motion in a Straight Line
an object starting from rest at t= 0 with uniform acceleration cover 6m/s^2 .calculate the average speed in t= 3 to t = 5
Asked by rite2raji
31st May 2020
8:24 PM
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NEET NEET Physics
The Position -time relation of a moving particle is given as x= 2t2+3t+4 (where x is in m and t is in s) what will be the velocity of the particle at t=1s ?
Asked by debankurmabdal11
20th June 2020
10:00 AM
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CBSE IX Physics Motion
A car is moving with a velocity of 7m per second it's velocity decreasing at the rate of 2.5 metre per second s square. What
Asked by dishasarma2016
4th July 2020
9:15 AM
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CBSE X Physics
The position coordinate of x =2t³ -24t +6 m. Determine the distance traveled by it from t =1 sec to t=4 sec.
Asked by rakhibhanusharma
5th July 2020
9:29 PM
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CBSE XII Science Physics
How to calculate acceleration?
Asked by sgsaurangaba
14th July 2020
4:21 PM
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CBSE IX Physics Motion
What's different between Rest & motion
Asked by ashishkumarsinghaks199
17th July 2020
7:15 PM
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CBSE X Physics
A body travelling with a velocity 30m/s. It is given an acceleration 5m/s2. What will be its velocity afer 4s ?
Asked by harshithaharshakumar66
22nd July 2020
5:55 PM
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ICSE IX Physics
numerical= 1]a partical initially at rest ,moves with an acceleration 5m/s^2 for 5 secs .find the distance travelled in a)4 secs b)5 secs c)5th second
Asked by vaishalibhosalelic13
24th July 2020
10:27 PM
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CBSE XI Science Physics
A particle moves along straight-line OX. At time t(in seconds) the distance x(in metres) from O is given by: x = 40 + 12t - t³. How long the particle travels before coming to rest? a) 16 m b) 21 m c)40 m d)56 m
Asked by Kusum and Sanjeet
8th August 2020
10:47 PM
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CBSE XI Science Physics
Please give the answer of the given question...
Asked by Kusum and Sanjeet
8th August 2020
10:54 PM
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CBSE XI Science Physics
solve this
Asked by bajpairishabh61
10th August 2020
12:27 AM
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CBSE IX Science
the motion of a moving train has been depicted
Asked by Sumaiyyafaruque
11th August 2020
8:27 AM
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JEE Main Physics
an object moves in straight line. its instantaneous velocity is negative and its instataneous acceleration is positive
Asked by ky450263
16th August 2020
8:08 PM
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CBSE IX Physics
The resistance force 16 N acts on a hall of mass 40 kg continuous. If the initial velocity of hall is 24m/s then what time taken by it to come to rest
Asked by satvikagarwal62
17th August 2020
11:07 AM
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CBSE VIII Science
what do you mean by velocity
Asked by swarnimapost
21st August 2020
12:39 PM
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CBSE IX Physics
Can direction varry in Constant velocity.It cannot be different in uniform velocity but could it be different in constant velocity?
Asked by abhishekchhikara732
22nd August 2020
4:45 PM
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ICSE IX Science
what is uniform speed and non uniform speed
Asked by sheebasheeba32681
7th September 2020
8:21 AM
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CBSE IX Physics
A train accelerates uniformly from 36 kilometre per hour to 72 kilometre per hour in 20 second find the distance travelled
Asked by callingchandra111
13th September 2020
8:14 AM
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ICSE VII Physics Motion
A car covers a distance of 160 km between two cities in 4h. What is the average speed of the car?
Asked by cswarupa5
11th October 2020
11:58 AM
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NEET NEET Physics Kinematics
A person moves 30 m north and then 20 m towards east and finally 30 2 m in south-west direction. The displacement of the person from the origin will be : (1) 10 m along north (2) 10 m along south (3) 10 m along west (4) Zero
Asked by alokkumar32101820
8th May 2022
6:06 PM
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NEET NEET Physics Kinematics
kinamatics ki difinition
Asked by shuklakeerti815
13th July 2022
11:44 PM
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