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3 years ago

Which is the force that results from use of a machine?

Physics

1 answer:

Goshia [24]3 years ago

3 0

Answer:

D. Output force

Explanation:

The input force is the effort used to run the machine and this results in an output force.

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What is the average velocity of the time interval 0 to 4 seconds

Anvisha [2.4K]

Average velocity over a given time interval is the distance traveled divided by the time:
$v= \frac{60m-20m}{4s-0s} =40/4=10 \frac{m}{s}$

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4 years ago

What is the net Force needed to get a 16 kg box moving 4 m/s^2?

igomit [66]

Answer:

The net force should be of a magnitude of 64 N

Explanation:

We use Newton's second Law for this:

$F_{net} = m\,*\,a$

which for our case gives:

$F_{net} = m\,*\,a=16\,(4)\,N= 64\,\,N$

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3 years ago

A 78-kg skydiver has a speed of 62 m/s , what is the kinetic energy?

Cloud [144]

Answer:

149,916J

Explanation:

Pneumonic device: Kevin is half-mad and very square

this translates to: KE=(1/2)mv^2 !!

KE=(1/2)(78)(62^2)

KE=(39)(3844)

KE=149,916 Joules

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3 years ago

Read 2 more answers

Please help me in science plss <br><br><br>I give brainliest to Answer this plss

Elenna [48]

Stan looga
this is correct answer

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3 years ago

What are three sports that use force (EXCEPT FOOTBALL)

Anika [276]

Soccer, golf, baseball

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3 years ago