A roller coaster train with a mass of 500 kg stops at the top of a hill. If the hill is 110 m high, what is the potential energy of the train?

The measure of one of the small angles of a right triangle is 45 less than twice the measure of the other small angle. Find the measure of both angles.

the statement, "energy can neither be created nor destroyed, but can change from one form to another," is blank. the first law of thermodynamics

If the distance between two asteroids is doubled, the gravitational force they exert on each other will.

The fossil record is the record of all fossils that have been found on Earth. true or false

Which law describes the interactions between charged particles when they are not in contact? A. Faraday's Law B. Coulomb's Law C. Ohm's Law D. Interaction Law

Which of the following is true about cells? A. Cells have specialized components that perform different, specific functions. B. A cell's components are all identical and perform the same function. C.

How much heat is contained in 100 kg of water at 60.0 °C?

Which of the following statements is the best definition of weather? Weather is the current conditions in the atmosphere. Weather is the usual conditions in the atmosphere. Weather is the average conditions in the atmosphere.

Analyze: In the series circuit what characteristic was common throughout the experiment? What changed as you added more light bulbs?

StA A boat takes off from the dock at 2.5 m/s and speeds up at 4.2 m/s2 for 6.0 s. How far has the boat traveled? Round your answer to the nearest whole number.