When gravity increases does the mass of an object increase decrease or stay the same

A kid at the junior high cafeteria wants to propel an empty milk carton along a lunch table by hitting it with a 3.0g spit ball. If he wants the speed of the 40g carton just after the spit ball hits it to be 0.30 m/s, at what speed should his 3.

Particles at the very outer edge of Saturn's A Ring are in a 7:6 orbital resonance with the moon Janus. If the orbital period of Janus is 16 hours 41 minutes, what is the orbital period of the outer edge of Ring A?

Water cools from2oC to - 2oC. During this time, what happens to the motion of the molecules? A) The motion of the molecules stops. B) The motion of the molecules increases. C) The motion of the molecules decreases.

Radio astronomers detect electromagnetic radiation at a frequency of 42MHz from an interstellar gas cloud. If the radiation results from electrons spiraling in a magnetic field, What is the magnetic field strength inside the gas cloud?

What happens to the velocity of an object when balanced forces act on it? a. There will be no change c. There will be negative acceleration b. There will be positive acceleration d. Velocity will change, but not acceleration

Solve each problem. Be sure to show your work and give a final answer with units rounded to the given number of significant figures. 1) Find the voltage on a circuit with a resistance of 12.5 Ω if it has a current of 2.35 A. 2) If a circuit with a 9.

How do you best determine whether j/m2 and m*s2/n are equivalent units?

Which is the most important radiation conduction or convection? Explain

A compressed spring has 16.2 J of elastic potential energy when it is compressed 0.30 m. What is the spring constant of the spring?

A smart phone charger delivers charge to the phone, in the form of electrons, at rate of - 0.75 C/s. How many electrons are delivered to the phone during 45 min of charging?