Physics
A car starting from rest moves on a straight path for time t = 0 to t = T with a uniform acceleration a and then stops with a uniform retardation. The average speed of the car will be : 1. 2. 3. 4. aT
Related Questions
A body initially at rest, starts moving with a constant acceleration of 0.5 ms-2 and travels a distance 25 m, then its final velocity is:
- 5 ms-1
- 20 ms-1
- 15 ms-1
- -15 ms-1
A car starting from rest accelerates uniformly to acquire a speed 20 km h-1 in 30 min. The distance travelled by car in this time interval will be —
- 600 km
- 5 km
- 6 km
- 10 km
Write three equations of uniformly accelerated motion relating the initial velocity (u), final velocity (v), time (t), acceleration (a) and displacement (S).
Write an expression for the distance S covered in time t by a body which is initially at rest and starts moving with a constant acceleration a.