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ikadub [295]
3 years ago
5

Please help on this one?

Physics
2 answers:
Nadya [2.5K]3 years ago
6 0
I suppose the answer would be C. Kepler's three laws talk about planetary orbit.
Savatey [412]3 years ago
5 0

Number c is right answer because it doesn't talk about forces rather it talks about planetary motions and orbits

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A weightlifter raises a 50kg weight to a height of 2m in 2 minutes. What was the power spent by the weightlifter?
belka [17]

Answer:

117.72kW

Explanation:

Given data

Mass m= 50kg

height x = 2m

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let us find the work done

WD= force * distance

WD= mgx

WD= 50*9.81*2

WD= 981 Joules

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Solve for the length of the inclined plane if the angle equals 19.45 degrees.
mel-nik [20]

The length of the inclined plane is approximately 12 ft

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<h3>Right triangle</h3>

Right triangle have one of its angle as 90 degrees.

Therefore,

The length of the inclined plane is the hypotenuse of the triangle. The length of the inclined plane can be found using trigonometric ratios.

height = 4 ft

angle(∅) = 19.45°

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h = 12 ft

Therefore, the length of the inclined plane is approximately 12 ft

learn more on inclined plane:brainly.com/question/14163589?referrer=searchResults

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