A5 kg ball falls from rest from a height of 20 m. Determine the ball's potential and kinetic energy at point A shown in the picture.

Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity

Can you receive a shock severe enough to prevent you from releasing the wire from an ordinary outlet with dry hands? a. no b. yes explain

In this lab you will use a cart and track to explore various aspects of motion. you will measure and record the time it takes the cart to travel certain distances, and then complete some calculations. in the space below, write a scientific question that you will answer by doing this experiment.