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If you triple the mass of a moving object, how much more/less Kinetic Energy does it have?
60 seconds
1 m/s
1,080,000 J
.25 m/s/s
7.5 N
three times as much
True
True
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?
60 seconds
1 m/s
1,080,000 J
.25 m/s/s
7.5 N
three times as much
True
True
How much Kinetic energy does a 600 kg plane, flying at 60 m/s 200 m above the ground, have?
60 seconds
1 m/s
1,080,000 J
.25 m/s/s
7.5 N
three times as much
True
True
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?
60 seconds
1 m/s
1,080,000 J
.25 m/s/s
7.5 N
three times as much
True
True
A car travelling around a track with a radius of 40 m completes 5 laps in 5 min. What is the period?
60 seconds
1 m/s
1,080,000 J
.25 m/s/s
7.5 N
three times as much
True
True
The continued existence of massive numbers of baby seals contribute to the world's global energy problems.
60 seconds
1 m/s
1,080,000 J
.25 m/s/s
7.5 N
three times as much
True
True
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?
60 seconds
1 m/s
1,080,000 J
.25 m/s/s
7.5 N
three times as much
True
True
The total Mechanical Energy in a closed system never changes.
60 seconds
1 m/s
1,080,000 J
.25 m/s/s
7.5 N
three times as much
True
True
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