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IrinaVladis [17]
3 years ago
11

How much time is needed to stop a fan completely if it is moving at

Physics
1 answer:
Damm [24]3 years ago
6 0

Answer:

 

Explanation:

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A high jumper jumps 2.04 m. If the jumper has a mass of 67 kg, what is his gravitational potential energy at the highest point i
Mariulka [41]

Answer: 1339.5 joules

Explanation:

Gravitational potential energy, GPE is the energy possessed by the jumper as he moves against gravity.

Thus, GPE = Mass m x Acceleration due to gravity g x Height h

Since Mass = 67kg

g = 9.8m/s^2

h = 2.04 metres

Thus, GPE = 67kg x 9.8m/s^2 x 2.04m

GPE = 1339.5 joules

Thus, the gravitational potential energy at the highest point is 1339.5 joules

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3 years ago
What is meant by the statement '' density of water is 1000 kilograms per cubic metre ''?
LenKa [72]
It means that if you had a cubic meter of water it would weigh 1000 kilograms
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4 years ago
Which sentence states Newton’s third law?
Cerrena [4.2K]

Answer:

A. If two objects collide, each object exerts a force in the same direction as the other.

Explanation:

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4 years ago
A car speed off around a bend at a constant 10m/s explain why it's velocity is not constant
VARVARA [1.3K]
It's velocity is not constant as direction is changing.
 
We know, velocity is speed with direction, so if direction is changing, velocity can't be constant, doesn't matter that speed is constant.

Hope this helps!
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4 years ago
Where do you think the government should put the greatest support: solar energy, wind energy, clean coal, oil exploration, gas e
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The government should put it support in a combination of sources, as no source in the present can fully provide all energy requirements.
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3 years ago
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