3 years ago

HELP ILL MAEK BRAINLIEST!!!

Physics

1 answer:

garik1379 [7]3 years ago

6 0

Help with what it’s blank?

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A car engine produces a force of 2000N while moving a distance of 200m in a time of 10s. What is the power developed by the engi

andreyandreev [35.5K]

Power = work/time
Work = force * distance

(2000 N * 200 m) / 10 s = 40,000 Joules

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3 years ago

A 100 kg bag of sand has a weight on 100 N. When dropped its acceleration is what?

Lyrx [107]

100N describes the weight of the sandbag, while 100kg is the mass of the sandbag.

To calculate acceleration, divide your weight by the mass, thus the accleration is:

$100N/100kg = 1(m/s^2)$

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A carpenter on the roof of a building accidentally drops herhammer. As the hammer falls it passes two windows of equal height,a)

nadezda [96]

Answer:

Explanation:

a) the speed increment of the hammer as it drops past the first window, is greater than that of the speed of the hammer as it drops past the second window. This can also be translated as saying that the hammer spent more time at the second window.

b) III

The best answer would be answer III, The hammer spends more time dropping past window 1, which I had already included in my explanation in (a) above.

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What is the relative size and composition of the universe, a galaxy, and a solar system? Is the universe endless?

vichka [17]

Yas, the universe is endless/infinte

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3. What is the frequency of a wave that has a wave speed of 20 m/s and a wavelength of 0.50 m?

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