Two boxes of mass m and 4m are in contact with each other on a frictionless surface. What is the acceleration of the more massive box?
1 point
4 m
F.
ות
F/m
F/(3m)
O F/(4m)
O F/(5m)

Which fators influence ocean currents

The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?

The human body stores chemical energy from digested food. some of the chemical energy is converted into mechanical energy when the body moves. which statement best supported by this information