jane walks up the stairs and gains 1200J of potential energy. if she runs up the stairs in half the time what would be her gain in potential energy?

What is the coldest place on earth

Sustained exercise can increase the blood flow rate of the heart by a factor of five with only a modest increase in blood pressure. This is a large change in flow.

An airplane has a momentum of 22,125 kgm/s. if the airplane moves at a speed of 25 m/s, what is its mass?

What are becquerel rays?

Why is the heat of fusion of any substance generally lower than its heat of vaporization?

An ordinary flea has a mass of 210. How many newtons does it weigh?

Plants and animals use the oxygen in the air to turn food into energy. This life process is known as what? A) digestion Eliminate B) excretion C) growth D) respiration

A column of soldiers, marching at 132 steps per minute, keep in step with the beat of a drummer at the head of the column.

Which of the following statements regarding the moon and Earth is correct? A. Earth and the moon are nearly the same age. B. Earth and the moon have nearly the same mass. C. Earth is tidally locked, while the moon spins on its axis. D.

Which is the best example of Newton's First Law of Motion? A small, lightweight ball and a large, heavy ball are dropped off the top of a very tall building. They both strike the ground at the same time.