a 500 kg-car is pulled with a force of 120 N, but it accelerates at just 0.1 m/s^2. what force of friction must be acting on the car

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.

Name two kinds of practical electric pumps.

The law of reflection states that the angle of reflection is equal to the angle of