CBSE XI Science Physics Laws of Motion
when we apply brakes in the car,it retards the motion;although it is an internal force.why?
Asked by
26th February 2008
6:05 PM
Answered by Expert
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
Answered by Expert
NEET1 ALL Class Kinematics
please explain
Asked by Arushi Juyal
16th December 2017
6:39 AM
Answered by Expert
CBSE IX Physics
a cyclist is moving at a uniform speed of 20 m/s for 30 s.He then stops pedalling and stops in next 10 s.Calculate : (1) average retardation ? (2) total distance travelled ?
Asked by nisha_vini29
22nd May 2018
11:16 PM
Answered by Expert
CBSE IX Physics
A bullet fired with a speed of 50m/s is stopped by a depth of 10 cm by a wall.What is the retardation offered by wall ?
Asked by nishola82
22nd May 2018
11:30 PM
Answered by Expert
CBSE IX Physics
Difference between retardation and acceleration on points.
Asked by Kavyasharma
20th June 2018
3:57 PM
Answered by Expert
CBSE XI Science Physics
The relation between distance 'x' and time 't' is t = A(x^2) + Bx , where A and B are constants . The retardation is ?
Asked by arunavamitra50
21st June 2018
6:57 AM
Answered by Expert
ICSE X Physics
a bullet of mass 10 g travels with speed 500 m/s on striking a wooden target it penetrates 0.5 m inside calculate kinetic energy and resistive force
Asked by Samrat
28th June 2018
11:41 AM
Answered by Expert
ICSE X Physics
A ball of mass 100 gram moving with a velocity of 20 m per second is brought to rest in 0.02 second find the average retarding force acting on the ball
Asked by Samrat
29th June 2018
10:11 PM
Answered by Expert
JEE Plances JEE (Main) Physics
a motar car starts from rest and accelerate uniformly for 10s to a velocity of 30m/s it then runs at a constant speed and it is finally brought to rest in 80m in constant retardation total distane covered is 830m find the value of acceleration ,retardation,total time taken
Asked by gargpuneet989
7th July 2018
6:26 PM
Answered by Expert
JEE Plances JEE (Main) Mathematics
Ques 38
Asked by rbhatt16
10th July 2018
11:46 PM
Answered by Expert
JEE Plances JEE (Main) Physics
A pt moves in a straight line under the retardation -kv where k is a constant.If the initial velocity is u,the distance covered in t sec is
Asked by m.nilu
20th July 2018
9:52 PM
Answered by Expert
CBSE IX Physics
When we are asked to find retardation and we put the formula of acceleration if the value is in (-)form then retardation will be in (-) form or (+) form??
Asked by manuchauhan987654
21st April 2019
3:42 PM
Answered by Expert
JEE Main Physics
A bullet looses of its velocity passing through one plank. The number of such planks that are required to stop the bullet can be : a) b) c) Infinite d) Hide
Asked by Ranjeetgupta26068
17th May 2019
3:29 PM
Answered by Expert
JEE Main Physics Laws of Motion
Sir plz make me understand all the concepts being applied here
Asked by vishakhachandan026
30th May 2019
10:15 AM
Answered by Expert
JEE Main Physics
A rifle bullet loses 1/20th of its velocity in passing through a plank.find how many such uniform planks it would pass through before coming to rest assuming resistance to the plank to be uniform
Asked by Sunita
6th June 2019
11:37 PM
Answered by Expert
ICSE IX Physics Motion in One Dimension
Could u pls solve this solve this doubt urgently? Thank you!
Asked by nethra.v2005
5th August 2019
2:56 PM
Answered by Expert
CBSE IX Physics Force and Laws of Motion
a car of mass 800g is travelling with a velocity of 20m/s . when the brakes are applied. it stops after travelling a distance of 8m.find the retarding force and retardation
Asked by kishor.kp14
24th September 2019
11:19 AM
Answered by Expert
CBSE IX Physics Motion
a car moves linearly with uniform retardation. If the car covers 40m in the last 2 seconds of its motion, what is the velocity of the car at the beginning of the last seconds?
Asked by Omkarbswami
22nd March 2020
6:40 PM
Answered by Expert
CBSE XI Science Physics Motion in a Straight Line
a car moving with a velocity of 20m/s stopped in a distance of 40 m . if the same car is travelling at double the velocity the distance travelled by it for same retardation is?
Asked by julianabalaswamy762
6th April 2020
5:27 PM
Answered by Expert
CBSE IX Physics Motion
PHYSICS||KINENATICS||. que no.81
Asked by agrawalpulkit2004
14th April 2020
9:50 PM
Answered by Expert
NEET NEET Physics
please answer this ?
Asked by Prashant DIGHE
21st April 2020
10:51 PM
Answered by Expert
