A 2 kg box slides along a hockey rink and collides with a 20 kg box. Draw the two boxes colliding. With one arrow on each box, show the relative size (length of arrow) and direction of the collision force on each box while they are in contact. Circle the box that experiences the greater acceleration.

Which is not a source of noise pollution? a)airplanes b)acid rain c)machines d)cars

Anne applies a force on a toy car and makes it move forward. what can be said about the forces acting on the toy car at the moment anne applies the force?

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33