Question
Asked Oct 18, 2019
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Al lift to raise a crate to height of 10.0 m is used. [1hp= 746 W]

How much hp is necessary to raise the crate at 5.0 m/s?

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Expert Answer

Step 1

Given:

Displacement of the crate = 10 m

Velocity of the crate = 5 m/s

Let, mass of the crate = m kg

 

Step 2

Time taken to lift the crate by 10 m

displacement
t =
velocity
plug in the values
10
t
5
t = 2s
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displacement t = velocity plug in the values 10 t 5 t = 2s

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Step 3

Work done to lift the crate is equal to the chan...

mgh
where,
m =mass of the crate
g gravitational acceleration
h=height upto which the crate is raised
plug in the values
mx9.8x 10
w 98MJ
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Image Transcriptionclose

mgh where, m =mass of the crate g gravitational acceleration h=height upto which the crate is raised plug in the values mx9.8x 10 w 98MJ

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