Two masses that are 100 m apart attract each other with a force of 120 N. When they are 25.0 m apart, these masses will attract each other with what force?

Two masses that are 100 m apart attract each other with a force of 120 N. When they are 400 m apart, these masses will attract each other with what force?

3 moons orbit a planet. Moon A orbits at 4000 km, Moon B orbits at 24,000 km, and Moon C orbits at 48000 km. The masses of all 3 moons are identical. Which satellite has the lowest orbital speed?

3 moons orbit a planet. Moon A orbits at 4000 km, Moon B orbits at 24,000 km, and Moon C orbits at 48000 km. The masses of all 3 moons are identical. Which satellite has the highest orbital speed?

3 moons orbit a planet. Moon A orbits at 4000 km, Moon B orbits at 24,000 km, and Moon C orbits at 48000 km. The masses of all 3 moons are identical. Which satellite is experiencing the largest centripetal accelleration?

3 moons orbit a planet. Moon A orbits at 4000 km, Moon B orbits at 24,000 km, and Moon C orbitsw at 48000 km. The masses of all 3 moons are identical. Which satellite is experiencing the smallest centripetal accelleration?

A student standing on a platform has 30 kJ of energy before he steps off. How much energy does he have the instant before he lands on the ground?

A student standing on a platform has 30 kJ of energy before he steps off. If the student has a mass of 90 kg, approximately how far off the ground is he?

If you do 1,200 J of work to move a box up 3 meters, how much force did you exert?

A car travelling around a track with a radius of 40 m completes 5 laps in 5 min. What is the period?

If you triple the mass of a moving object, how much more/less Kinetic Energy does it have?

If you triple the speed of a moving object, how much more/less Kinetic Energy does it have?

On an alien planet the acceleration due to gravity is 12.6 m/s/s instead of the 9.8 m/s/s we have on Earth. If the radius of the planet is 5.2*10^6 meters, what is it's mass? (Hint: G = 6.671*10^-11)

An annoying fly is buzzing around your head, flying in perfect circles just outside your arms reach 1 meter away. It completes a trip around your head every 6 seconds. What is the velocity of the fly?

An annoying fly is buzzing around your head, flying in perfect circles just outside your arms reach 1 meter away. It completes a trip around your head every 6 seconds. What is the centripetal acceleration of the fly?

The continued existence of massive numbers of baby seals contribute to the world's global energy problems.

The total Mechanical Energy in a closed system never changes.

How much total mechanical energy does a 600 kg plane, flying at 60 m/s 200 m above the ground, have?

How much Kinetic energy does a 600 kg plane, flying at 60 m/s 200 m above the ground, have?

How much gravitational potential energy does a 600 kg plane, flying at 60 m/s 200 m above the ground, have?

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