The core makes up about __% of the sun’s mass

The 5-kg cylinder is initially at rest when it is placed in contact with the wall b and the rotor at a. if the rotor always maintains a constant clockwise angular velocity v = 6 rad> s, determine the initial angular acceleration of the cylinder. the coefficient of kinetic friction at the contacting surfaces b and c is mk = 0.2.

What is the prp when using 5 mhz acoustic waves through soft tissue, imaging a death of 20 cm?

Apendulum has 387 j of potential energy at the highest point of its swing. how much kinetic energy will it have at the bottom of its swing?