The strength of the gravitational attraction depends on the mass of the objects involved and on the distance between them. The gravitational force between two objects will be lowest in which of the following situations?

For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?

A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?