The length of a simple pendulum is increased four times to its previous value while the mass is doubled. What is the ratio of the new and previous time period of the pendulum?

Which one of the following statements regarding simple pendulum is correct ? Simple pendulum has a time period independent of amplitude :

The time period of a 1 m long pendulum approximates to

A vehicle starts moving along a straight line path from rest. In first t seconds it moves with an acceleration of 2 m/s² and then in next 10 seconds it moves with an acceleration of 5 m/s². The total…

Weight and mass of an object are defined with Newton's laws of motion. Which among the following is true ?

Statement: An object of mass M is falling freely and its acceleration remains constant. Conclusion I: The velocity of the object increases uniformly. Conclusion II: The acceleration of the object dep…