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Tema [17]
3 years ago
11

Which is a primary energy source used by power plants to generate electricity?

Physics
2 answers:
laila [671]3 years ago
6 0
The answer should be wood
Vera_Pavlovna [14]3 years ago
4 0

Answer:

Your answer is wood that is what they used

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Explanation:

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TRUE OR FALSE: The following drops were most likely dropped from a 90 degree angle.
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A skier leaves the horizontal end of a ramp with a velocity of 31.0 m/s and lands 156.3 m from the base of a ramp how high is th
BartSMP [9]

<u>Answer:</u>

The height of ramp = 124.694 m

<u>Explanation:</u>

Using second equation of motion,

s = ut + \frac{1}{2}at^2

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substituting values

156.3 = 31\times t + 0

t = \frac{156.3}{31 }

= 5.042 s

Similary, for the case of landing

t = 5.042 s; initial velocity, u =0

acceleration = acceleration due to gravity, g = 9.81 m/s^2

Substituting in h = ut + \frac{1}{2}gt^2

h = 0 + \frac{1}{2} \times 9.81 \times (5.042)^2

h = 124.694 m

So height of ramp = 124.694 m

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Do you want me to translate it?
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