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Phantasy [73]
3 years ago
6

Sentence using lunar for a kid

Physics
2 answers:
andreyandreev [35.5K]3 years ago
8 0
The lunar lander landed on the moon
Tom [10]3 years ago
7 0
There will be a lunar eclipse tonight.
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If ball 4 has a mass of 2 kg and it is 5m high, what will be its gravitational potential energy? (g=10 N/kg) *
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Explanation:

Gravitational potential energy

= mgh

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3 years ago
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A 60 kg hockey player skating at 20 m/s gets slammed with a force of 950 N. How long does it take him to stop completely?
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2.4

Explanation:

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tankabanditka [31]

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3 years ago
An archer shoots a 150. gram arrow straight up in the air. (Do not try this at home.) The bow was drawn back 75.0 cm by a 175 N
Dmitry [639]

Answer:

The arrow rise 44.64 m high assuming air friction is negligible

Explanation:

According to the law of conservation of energy

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\frac{1}{2}kx^2=mgh----1

We know that F=kx

So,k = \frac{F}{x}\\k=\frac{175}{0.75}

Substitute the value in 1

\frac{1}{2}(\frac{175}{0.75})(0.75)^2=0.15 \times 9.8 \times h\\\frac{\frac{1}{2}(\frac{175}{0.75})(0.75)^2}{0.15 \times 9.8}=h\\44.64 = h

Hence  the arrow rise 44.64 m high assuming air friction is negligible

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3 years ago
What factors affect the amount of solar energy that reaches earth's surface
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