You compress a spring by a certain distance. then you decide to compress it further so that its elastic potential energy increases by another 50%. what was the percent increase in the spring's compression distance?

Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bob’s trajectory. ~a is equal to the instantaneous rate of change in velocity. ~a is tangent to the bob’s trajectory.