A batter hits two baseballs with the same force. One hits the ground near third base. The other is a home run out of the park. Where was there more work done?

Sally is training for the 1,000-meter running race at her school. Her goal is to place third or better. How can Sally determine if she is making progress toward her goal?

On the sun is the corona above the photosphere?

At night, the demand for electricty supplied by a fission nuclear reactor decrease. how is the fission nuclear reaction controlled to avoid overproduction of electricity

During a phase change, energy is absorbed. what type of reaction is this? A. Exothermic B. Endothermic C. Sublimation D. Fusion

There are many different ways to classify matter but one way to only use two categories for all matter. All matter can be classified as either A) solids or liquid B) mixtures or substances C) atoms or molecules D) elements or compounds

Scientific theories have strod the test of time and will not change

An 8 kilogram bowling ball is rolling in a straight line toward you. if its momentum is 16 kg * m/s, how fast is it traveling?

Explain why a moving object can be in equilibrium

Design an investigation to compare the durability of the three different brands

The surface area of the skin of a person who is 70 inches tall and weighs w pounds can be estimated by s (w) equals=342 w superscript 0.425342w0.425 , where s is in square inches.