Each year at a college, there is a tradition of having a hoop rolling competition. alex rolls his 0.25 kg hoop down the course. if the hoop has a radius of 0.5 m, what is the moment of inertia of alex’s rolling hoop?

How many seconds does it take a pebble released from rest off a bridge to fall 29.4 m ? what is the pebble's speed when it has fallen 29.4 m ?

Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers distance

What about a rubber band, can it change its shape? is it a solid?