An astronaut on a strange planet has a mass of 80 kg and a weight of 240 n. what is the value of the acceleration due to gravity on this planet?

An ideal gas undergoes an adiabatic process and does 25 joules of work on its environment. What is the change in internal energy?

Why is UVA light considered a mutagen? It penetrates the skin and can cause mutations. It can be prevented by wearing a protective vest. It produces chemicals that can be inhaled. It is found in synthetic dyes and cosmetics.

As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air at a speed of 23.0 m/s. In the process, he moves his hand through a distance of 1.10 m. If the ball has a mass of 0.

Every object that has mass attracts every other object with a gravitational force. It has been proven that the size of the gravitational force increases as the objectsÍ masses increase but graviational force decreases rapidly as the distance between

The amount of energy transported by a wave is most closey related to a wavelength of the wave true or false

A book falls of the table and hits the floor. Is work done? Why?

A person of 83 kg is in an elevator. If the elevator is moving at a speed of 5 m/s, what's the person's kinetic energy? Keep 4 significant figures a 1,004 J b 1,038 c 1,280 J d 980 J e 1,435 J

What two equations can be used to determine the speed of a wave

Which force has an infinite range and is always attractive?

A ramp with a mechanical advantage of 8 lifts objects to a height of 1.5 meters how long is the ramp