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Bess [88]
3 years ago
11

Can you please answer this question?

Physics
1 answer:
Sidana [21]3 years ago
5 0
I think its b too but i may be wrong
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An 888.0 kg elevator is moving downward with a velocity of 0.800 m/s. It decelerates uniformly and comes to a stop in a distance
bagirrra123 [75]

Answer:

The value of tension on the cable T = 1065.6 N

Explanation:

Mass = 888 kg

Initial velocity ( u )= 0.8 \frac{m}{sec}

Final velocity ( V ) = 0

Distance traveled before come to rest = 0.2667 m

Now use third law of motion V^{2} = u^{2} - 2 a s

Put all the values in above formula we get,

⇒ 0 = 0.8^{2} - 2 × a ×0.2667

⇒ a = 1.2 \frac{m}{sec^{2} }

This is the deceleration of the box.

Tension in the cable is given by T = F = m × a

Put all the values in above formula we get,

T = 888 × 1.2

T = 1065.6 N

This is the value of tension on the cable.

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3 years ago
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Answer:

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Explanation:

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Explain how the basic units are combined to give the derived units of force, velocity and pressure and work​
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#Force

\\ \sf\longmapsto Force=Mass\times Acceleration

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\\ \sf\longmapsto Work=Joules(J)

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2 years ago
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