3 years ago

Which statement best compares potential and lanetic energy?

1 answer:

6 0

Answer:

Objects always have more potential energy than kinetic energy. Only kinetic energy increases when the velocity of an object increases. Only potential energy decreases when an object's height increases

Explanation:

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What is the average speed of an aircraft which travels 600m in 10 seconds ？

matrenka [14]

Answer:

60 meters per second

Explanation:

600/10=60

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3 years ago

Which of the following changes would make a heat engine waste more energy as heat

Komok [63]

A decrease in it's operating temperature would make a heat engine less efficient. This is because in order to operate, a heat engine needs to be hot and maintain that temperature.

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3 years ago

Two parallel metal plates are at a distance of 8.00 m apart.The electric field between the plates is uniform directed towards th

yuradex [85]

Answer:

Explanation:

Formula E=F/C also E=V/d

In this case use the second formula; E=V/d

Data given; E=4N/C d=8m

So v=E X d

V=4x8=32V

k.e=eV= 2X32=64eV