A horizontal force is applied to the box accelerating it up the ramp shown below, the coefficient of friction between the box and the ramp is 0.2.

On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2. a. 9.5 m b. 11.9 m c. 15.2 m d. 23.8 m

Which of the following statements correctly describes a transformer?

If you held a stone over the mouth of a well and then let it go , what would happen to the stone? explain your answer.