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If a particle moves in a circle describing equal angles in equal intervals of time, then the velocity vector is
If a particle moves in a circle describing equal angles in equal intervals of time, then the velocity vector is
- Remains constant
- Change in magnitude
- Change direction (correct)
- Change both in magnitude and direction
A car is moving along a straight line, say OP in figure. It moves from O to P in 18s and return from P to Q in 6s .What are the average velocity and average speed of the car in going from O to P and back to Q ?
A car is moving along a straight line, say OP in figure. It moves from O to P in 18s and return from P to Q in 6s .What are the average velocity and average speed of the car in going from O to P and back to Q ?
- 10 m/s,20 m/s (correct)
- 20 m/s,10 m/s
- 10 m/s,10 m/s
- 20,20 m/s
A body is projected vertically up with velocity u .its velocity at half of its maximum height is
A body is projected vertically up with velocity u .its velocity at half of its maximum height is
- u/√2 (correct)
- u/2
- u/√6
- 2u
The acceleration a of a particle moving in straight line varies with its displacement S as a= 2S the. The velocity of the particle is zero at zero displacement the corresponding velocity displacement equation is
The acceleration a of a particle moving in straight line varies with its displacement S as a= 2S the. The velocity of the particle is zero at zero displacement the corresponding velocity displacement equation is
(one or more options are correct). A body is projected vertically up with a velocity 'u' from ground in the absence of air resistance'R' .Then
(one or more options are correct). A body is projected vertically up with a velocity 'u' from ground in the absence of air resistance'R' .Then
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