The magnitude of the vectors F~ is 21 N, the force on the right is applied at an angle 62◦ and the the mass of the block is 53 kg. If the surface is frictionless, what is the magnitude of the resulting acceleration? Answer in units of m/s^2.

Since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of "if…then…because…” when writing your hypothesis.

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

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is