Asked by Tanish

Calculate the height through which a crane can lift a load of 4t , when its motor of 4HP operates for 10s. [Take g=10N/kg ]
Answered by MathMate
1 HP = 745.6999 W
4 HP = 2982.7996 W

4t = 4000 kg

Use
mgh=PΔt
h=PΔt/mg
=2982.7996*10/(4000*10)
=0.75m approximately
Answered by Arshiya
S this is absolutely correct
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