CBSE Class 11-science Physics Displacement and Velocity
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- 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?
- A man goes from A to B at 40km/h speed and return B to A at 60km/h
- How is dx/dt=5?
- Slove the questions
- a body covers first 1/3 part of journey with velocity 2m/s, next 1/3 part with velocity 3m/s and rest of the journey with velocity 6m/s. find average velocity of the body.
- A mass A is released from the top of a smooth inclined plane 18m long and reaches the bottom 3 seconds later. At the instant when A is released another body B is projected up along the same plane from the bottom. An travels a distance up the plane and reached the bottom simultaneously with A. The two masses do not collide. Then the initial velocity of B is?
- 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
- Distinguish between distance and displacement.
- Distinguish between speed and velocity.
- An object moves 10 m in the first 2 seconds, then 20 m more in the same direction in the next 8 seconds. Find the average velocity for the first 2 seconds, then for next 8 seconds and also for the total journey.
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