What is the correct answer?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

What properties of a moving object are used in determining the object's energy of motion

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.