the substances shown are ordered (from left to right) in order of increasing
density
kinetic energy
potential energy.
intermolecular attractions.

Aparticle travels in a circular orbit of radius 21 m. its speed is changing at a rate of 23.1 m/s2 at an instant when its speed is 37.2 m/s. what is the magnitude of the acceleration (in m/s? ) of the particle?

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?

Which of the following statements accurately describes the sign of the work done on the box by the force of the push? a. positive b. negative c. zero