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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?
True
Moon C
.25 m/s/s
33 m
True
1920 N
1 m/s
7.5 N
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?
True
Moon C
.25 m/s/s
33 m
True
1920 N
1 m/s
7.5 N
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?
True
Moon C
.25 m/s/s
33 m
True
1920 N
1 m/s
7.5 N
The continued existence of massive numbers of baby seals contribute to the world's global energy problems.
True
Moon C
.25 m/s/s
33 m
True
1920 N
1 m/s
7.5 N
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?
True
Moon C
.25 m/s/s
33 m
True
1920 N
1 m/s
7.5 N
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?
True
Moon C
.25 m/s/s
33 m
True
1920 N
1 m/s
7.5 N
The total Mechanical Energy in a closed system never changes.
True
Moon C
.25 m/s/s
33 m
True
1920 N
1 m/s
7.5 N
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?
True
Moon C
.25 m/s/s
33 m
True
1920 N
1 m/s
7.5 N
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