2 years ago

URGENTTT PLEASE HELP

Physics

1 answer:

mel-nik [20]2 years ago

3 0

This doesn’t make any sense

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Ira Lisetskai [31]

It's 3.6 meters per second less than my speed was
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2 years ago

An object is hung from a spring balance attached to the ceiling of an elevator cab. The balance reads 65 N when the cab is stand

lana66690 [7]

Answer:

(A) Reading will be 65 N

(B) Net force on the elevator will be 49.076 N

Explanation:

We have given the balance force = 65 N

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We know that W=mg

So $65=m\times 9.8$

m = 6.632 kg

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(B) In second case as the elevator is decelerating at a rate of $2.4m/sec^2$

So net acceleration = 9.8-2.4= $7.4m/sec^2$

So net force on elevator will be = m× net acceleration = 6.632×7.4 = 49.076 N

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Because of how it's worded the answer would most likely be number four

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