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galina1969 [7]
3 years ago
9

an eagle carries a fish up 50 m into the sky using 90 n of force. how much work did the eagle do on the fish

Physics
2 answers:
Colt1911 [192]3 years ago
6 0

Answer:

The answer is 4,500

Explanation:

W = FD

W = 90 x 50

W = 4,500

Mashutka [201]3 years ago
4 0
The answer would be 1.8 acceleration

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10 V

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You are pulling a child in a wagon. The rope handle is inclined upward at a 60∘ angle. The tension in the handle is 20 N.How muc
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4 0
2 years ago
A 1000 kg car moving at 108 km/h jams on its brakes and comes to a stop. How much work was done by friction?
Nostrana [21]

Answer:

The work done by friction was -4.5\times10^{5}\ J

Explanation:

Given that,

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When the car is stop by brakes.

Then, final speed of car will be zero.

We need to calculate the work done by friction

Using formula of work done

W=\Delta KE

W=K.E_{f}-K.E_{i}

W=\dfrac{1}{2}mv_{f}^2-\dfrac{1}{2}mv_{f}^2

Put the value of m and v

W=0-\dfrac{1}{2}\times1000\times(30)^2

W=-450000
\ J

W=-4.5\times10^{5}\ J

Hence, The work done by friction was -4.5\times10^{5}\ J

3 0
3 years ago
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