Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 11-science Answered

a particle starts with velocity 20 m/s  with constant retardation of 4m/s^2.find distance travelled in 7 seconds
Asked by rahi7102005 | 20 May, 2021, 19:52: PM
answered-by-expert Expert Answer
Distance travelled with retardation is determined from the following relation
 
"  S = ( u t ) - [ (1/2) a t2 ] "
 
where u is initial speed , t is time of travel and a is retardation
 
S = ( 20 × 7 ) - [ (1/2) × 4 × 7 × 7 ] =  42 m
Answered by Thiyagarajan K | 21 May, 2021, 08:23: AM

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 11-science - Physics
a car travels first half a distance between two places with speed of 40 km/hr and the rest with the speed of 60 km/hr. Find average speed
Asked by sulthanxx | 08 Jul, 2024, 19:29: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
how option 2
question image
Asked by tkanmani022 | 11 Jun, 2024, 20:50: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
derive an expression for the velocity of the particle at the end point.
Asked by annpurnasharma1010 | 19 May, 2024, 21:57: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
the question
question image
Asked by rajeshabirami27 | 07 May, 2024, 16:31: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
A train starts from a station with a constant acceleration of 4 m/s2. Two seconds later another train passes the same station on the same line and in the same direction with a constant velocity. Find the velocity if the collision is first averted
Asked by yatin1043 | 06 May, 2024, 14:47: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
Q17. The velocity time relation of an electron starting from rest is given by v = kt where k = 6m / (s ^ 2) Calculate the distance traversed in 2 sec. 122
Asked by om636694 | 04 Mar, 2024, 21:10: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
state and prove law of conservation of energy in case of a freely falling bady
Asked by dhanapolla | 28 Jan, 2024, 10:40: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
if the linear momentum of a body is increased by 10% what will be the percentage change in it's kinetic energy
Asked by santoshyadav6673633 | 26 Jan, 2024, 16:55: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
obtain equations of motion for constant acceleration using calculus method
Asked by klvnsnthl | 25 Dec, 2023, 19:50: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Physics
what is elevators
Asked by neerajchaurasiya651 | 10 Dec, 2023, 21:32: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Are You a Teacher or a Parent Seeking Customised Tests? Click here
×