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Consider the following statements.
1. Negative acceleration means velocity increasing with time.
2. A body is said to have non-uniform acceleration, if either magnitude or direction or both of them change during motion.
3. Zero acceleration means, velocity is uniform.
Which of the statements given above is/are correct?
When a stone thrown directly upwards reaches the top, it: A. Velocity and acceleration are zero. B. The velocity is zero and the acceleration is about 10 m/s2. C. Velocity is about 10 m/s and acceleration is zero. D. The velocity is about 10 m/s and the acceleration remains the same.
For a body moving with uniform acceleration its final velocity equals ________
For a body moving with uniform acceleration its final velocity equals . . . . . . . .
A body of mass 6 kg moving with velocity 15 m/s collides with a second body of mass 10 kg, which is at rest. After collision first body's velocity is 5 m/s. The velocity of second body after collision will be
The relative velocity of a body A with respect to a body B is 5 m/s. The absolute velocity of body B is 10 m/s. Both the bodies are moving in the same direction. What is the absolute velocity of body A?
A particle moving in a straight line with uniform acceleration has a velocity 10 cm/sec and 8 seconds later has a velocity 54 cm/sec. What will be the acceleration?
For a body moving with non-uniform velocity and uniform acceleration
The distance-time graph of an object is a straight line. Which of the following inferences can be drawn about its state of motion? A) It is at rest. B) It is moving with uniform speed. C) It is moving with uniform acceleration.
A body of mass ‘m’ moving with a constant velocity ‘v’ strikes another body of same mass moving with same velocity but in opposite direction. The common velocity of both the bodies after collision is