When taking the sit-and-reach test, you should .
bounce when you stretch
take the best of three scores
warm up for 5 minutes
keep your knees bent

If forces acting on an object are unbalanced, which factors may result fron an unbalanced force? check all that apply

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.

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell