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sdas [7]
3 years ago
8

How much work is required to lift 40 N 1.5 M

Physics
1 answer:
LiRa [457]3 years ago
3 0

Answer: 200 joules I think.

Explanation:

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Oil _____.
atroni [7]
Oil <span>must be mined from underground 

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4 0
4 years ago
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a race car accelerates uniformly from 18.5 m/s to 46.1m/s in 2.47 seconds detrrmine the acceleration of the car and distance tra
LenaWriter [7]

Because acceleration is constant, the acceleration of the car at any time is the same as its average acceleration over the duration. So

a=\dfrac{\Delta v}{\Delta t}=\dfrac{46.1\,\frac{\mathrm m}{\mathrm s}-18.5\,\frac{\mathrm m}{\mathrm s}}{2.47\,\mathrm s}=11.2\,\dfrac{\mathrm m}{\mathrm s^2}

Now, we have that

{v_f}^2-{v_0}^2=2a\Delta x

so we end up with a distance traveled of

\left(46.1\,\dfrac{\mathrm m}{\mathrm s}\right)^2-\left(18.5\,\dfrac{\mathrm m}{\mathrm s}\right)^2=2\left(11.2\,\dfrac{\mathrm m}{\mathrm s^2}\right)\Delta x

\implies\Delta x=79.6\,\mathrm m

6 0
4 years ago
If you are sitting in the back seat of a car that makes a hard left turn, you will feel pushed toward the right side of the car.
Sonja [21]

Answer:

Inertia

Explanation:

Your body is naturally resisting turning left, as it wants to continue straight. So if feels like you are going right.

3 0
3 years ago
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What living things began to increase in numbers following this mass extinction?
RoseWind [281]

pigsExplanation: population

8 0
3 years ago
Which phrase is the best definition of energy
raketka [301]

Answer:

The capacity for doing work.

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3 years ago
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