The skier leaves the ramp at point c tavelling at an angle of 25 degrees above the horizontal. Calculate the kinetic energy of the kier of the highest point in the skier's trajectory

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

What is special about a dc circuit ?

Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.