Asmall ball is attached to one end of a rigid rod with negligible mass. the ball and the rod revolve in a horizontal circle with the other end of the rod at the center. the path of the ball has a constant linear speed. the force exerted by the rod is 0.5 n. the centripetal acceleration is 0.5 m/s2 . what is the mass of the ball, in kg?

mass of the ball will be 1 kg

Explanation:

We have given force F = 0.5 N

This force must be equal to the centripetal force for the ball to revolve in the circle

So

Centripetal acceleration is given as

We have to calculate the mass of the ball

We know that force is given by

So

m = 1 kg

So mass of the ball will be 1 kg

if a star is moving toward earth, its light waves appear to be squeezed together. hope it

the device is called “ rocket engine”