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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?
1 m/s
Moon A
400 N
1920 N
2,280,000 J
1,080,000 J
nine times as much
5.1*10^24 kg
How much Kinetic energy does a 600 kg plane, flying at 60 m/s 200 m above the ground, have?
1 m/s
Moon A
400 N
1920 N
2,280,000 J
1,080,000 J
nine times as much
5.1*10^24 kg
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?
1 m/s
Moon A
400 N
1920 N
2,280,000 J
1,080,000 J
nine times as much
5.1*10^24 kg
If you triple the speed of a moving object, how much more/less Kinetic Energy does it have?
1 m/s
Moon A
400 N
1920 N
2,280,000 J
1,080,000 J
nine times as much
5.1*10^24 kg
How much total mechanical energy does a 600 kg plane, flying at 60 m/s 200 m above the ground, have?
1 m/s
Moon A
400 N
1920 N
2,280,000 J
1,080,000 J
nine times as much
5.1*10^24 kg
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?
1 m/s
Moon A
400 N
1920 N
2,280,000 J
1,080,000 J
nine times as much
5.1*10^24 kg
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)
1 m/s
Moon A
400 N
1920 N
2,280,000 J
1,080,000 J
nine times as much
5.1*10^24 kg
If you do 1,200 J of work to move a box up 3 meters, how much force did you exert?
1 m/s
Moon A
400 N
1920 N
2,280,000 J
1,080,000 J
nine times as much
5.1*10^24 kg
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