3 years ago

What happens when you stroke the prongs with the wire?

1 answer:

8 0

When you stroke the prongs with a wire, a static sound is being produced. This kind of minimum-information noise is called white noise, by analogy with white light which is a uniform mixture of all the different possible colors. Hope this helps.

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How does hitting a ball with a tennis racquet involve action and reaction forces?

iragen [17]

Answer:

In a tennis match, the racket exerts the action force on the ball and, as the ball hits it, it exerts an equal and opposite reaction force on the racket. The rocket launches because it pushes on the gas coming out the back end for the action force, while the gas pushes the rocket upward with a reaction force.

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3 years ago

Which is not an example of a scalar?

Crank

Answer:

b) 2ft/s

Explanation:

A scalar has only magintude, not direction

6.2m, 3kg, and -100 o C are all scalars because they only have magnitude.

2ft/s is not a scalar because it has a direction.

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2 years ago

Calculate the minimum amount of work needed to move a 500-kg rocket payload from Earth's surface to the ISS in orbit 400,000m ab

WINSTONCH [101]

Answer:

2.000.000.000

Explanation:

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Work = Force . Displacement

W = 500.10 . 400.000 (the 10 come from gravity)

W = 5000 . 400.000

W = 2.000.000.000 Joules

I think it is that, can be wrong.

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3 years ago

What is the minimum value of the resultant if we combine a 6 Newton force and a 3 Newton force?

Setler79 [48]

The minimum is 3 Newton, when the two forces act in opposite directions.

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3 years ago

Name 4 COARSE grained rocks

MrRa [10]

Answer:

Diorite, Gabbro, and Granite

Explanation:

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3 years ago

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