Liquids take the shape of the bottom of their container, while gases take the shape of their entire container. The shape solids take, however, is independent of their container. explain these patterns. help ? Please and thank you <3

Which type of electromagnetic waves are dangerous enough to be used to kill cancerous cells? (a)gamma rays (b)visible light (c)infrared light (d)microwaves

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.

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle