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Vlad1618 [11]
2 years ago
10

What is the mass of an object if it took 270 J of work to move it 15 meters? Please help!

Physics
1 answer:
maxonik [38]2 years ago
5 0
That depends upon the direction the object moves
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A cell phone weighing 80 grams is flying through the air at 15 m/s. What is its kinetic energy
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Answer:

The kinetic energy of the cell phone is 9J

Explanation:

The kinetic energy is the energy possessed by a body by virtue of motion.

The kinetic energy is expressed as

KE= 1/2m(v)²

Given data

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Substituting our given data we have

KE= 1/2*0.08(15)²

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Answer:

Explanation:

The acceleration of gravity is 9.8m/s^2.

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(You can ignore the fact "at" is -30 instead 30, it's because the directions two velocity travel are opposite. )

We can now know the time it takes to make the ball stop just by the gravitational force is about 3 sec.

Use another formula S=1/2at^2, to find out the S(height) is 1/2*9.8*3^2=44.1, which is approximately D.45m .

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Please answer, do today
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Answer:

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done and my name is fricking bella your gonna die

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