A weightlifter lifts a set of 1250kg weights a vertical distance of 2m weight lifting contest. what potential energy do the weights now possess

A heavy object falls with the acceleration as a light object during free fall. Why?

A mud blob, 0.350 kg, is thrown at a wall at 10 m/s. The blob sticks to the wall. What is the change in momentum of the blob?

Which event happens when a star is forming

A balloon is released from the top of a building. the graph shows the height of the balloon over time. what does the slope and y-intercept reveal about the situation? A. the balloon starts at a height of 0 ft and rises at a rate of 100 ft. B.

Which of the following is not a unit in a newton

What is the effect of a magnetic field on a stationary electric charge on a moving electric charge?

A ball is thrown upwards with an initial velocity of 25. o m/s, what is the velocity of the ball at 11.9 m from the ground?

Can rocks be weathered by wind and chemicals in the air

1. if you rub a neutral glass rod with silk, the silk acquires a negative charge. if you rub a neutral glass rob with a rubber rob, the rubber rod acquired a negative charge.

What's a scientific inquiry