Home
Class 11
PHYSICS
A body starts from rest and accelerates ...

A body starts from rest and accelerates uniformly at `5m//s^(2)` for 7 seconds, along a straight line, it then starts decelerating at a rate of `2m//s^(2)` for the next 5 seconds, moves uniformly with a velocity of 25m/s for the next 2 seconds and then retards again and comes to rest in another 3 seconds.
(i) Plot the velocity versus time graph for the body.
(ii) Calculate the total distance travelled by the body with the help of the graph.

Text Solution

AI Generated Solution

To solve the problem, we will break it down into steps to find the velocity at different time intervals, plot the velocity versus time graph, and calculate the total distance traveled by the body. ### Step 1: Calculate the velocity at different time intervals 1. **Initial Condition**: The body starts from rest. - Initial velocity (u) = 0 m/s at t = 0 seconds. 2. **Acceleration Phase (0 to 7 seconds)**: ...
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A STRAIGHT LINE

    MODERN PUBLICATION|Exercise PRACTICE PROBLEMS|28 Videos
  • MOTION IN A STRAIGHT LINE

    MODERN PUBLICATION|Exercise CONCEPTUAL QUESTIONS|14 Videos
  • MOTION IN A PLANE

    MODERN PUBLICATION|Exercise Chapter Practice Test|15 Videos
  • OSCILLATIONS

    MODERN PUBLICATION|Exercise Practice Test (For Board Examination)|12 Videos

Similar Questions

Explore conceptually related problems

A cheetah starts from rest, and accelerates at 2 m/ s^(2) for 10 seconds. Calculate : (a) the final velocity (b) the distance travelled.

A car accelerates uniformly at 4 m s^(-2) from rest. Find its velocity at the end of 5 seconds.

A body starting from rest has an acceleration of 5m//s^(2) . Calculate the distance travelled by it in 4^(th) second.

A body starting from rest and has uniform acceleration 8 m//s^(2) . The distance travelled by it in 5^(th) second will be

A body starting from rest acclerates uniformly along a st. line , at the rate of 10 ms^(-2) for 5 s . It moves for 2 s with uniform velocoty of 50 ms^(-1) . The it retards uniformly and comes to rest in 3 s . Draw velocity-time graph of the and find the total distance travelled by body.

A body starts from rest with an acceleration 2m//s^(2) till it attains the maximum velocity then retards to rest with 3m//s^(2) . If total time taken is 10 second, then maximum speed attained is