A 4,000-kg pick-up truck travelling at 40 m/s collides with a parked car. After the collision, if the pick-up truck continues moving at 15 m/s and the car moves at 50 m/s, determine the mass of the car.

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

Acold front traveling southeast collided with a warm front traveling northwest the following map shows the weather on monday the day the two fronts collided which of these describes the weather forecast for mississippi on tuesday and wednesday

This is a form of winter precipitation. it is frozen precipitation falling as ice pellets. snowflakes melt into raindrops as they pass through a thin layer of warmer air. the raindrops then refreeze into particles of ice when they fall into a layer of sub-freezing air near the surface of the earth. this precipitation is called a) hail. b) rain. c) sleet. d) snow.