Answer:
The output work is always less than the input work because some of the input work is used to overcome friction. Therefore, efficiency is always less than 100 percent. The closer to 100 percent a machine's efficiency is, the better it is at reducing friction
Explanation:
Answer:
The motion of a projectile is a two-dimensional motion. ... This is called the principle of physical independence of motions. The velocity of the projectile can be resolved into two mutually perpendicular components: the horizontal component and the vertical component. Acceleration changes velocity.
Explanation:
Answer:
An arch in a memorial park, having a parabolic shape, has a height of 25 feet and a base width of 30 feet.
ANSWER:
the planet that is larger than earth is Saturn
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Answer:
I hypothesis that the motion involving the balls in the experiment were moving to create data.
Explanation:
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