Momentum is computed using below formula.
Momentum = Mass x Velocity,
The problem states that the final velocity is 6.0m/s, Substituting onto the equation we have
Momentum = 1000 kg x 6.0 m/s = 6000 kg · m/s
Static friction
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Answer:
Thickness of Styrofoam insulation is 0.02741 m.
Explanation:
Given that,
Height = 0.25 m
Depth = 0.5 m
Power = 400 W
Temperature = 33°C
We need to calculate the area of Styrofoam
Using formula of area

Put the value into the formula


Inner surface temperature of freezer

Outer surface temperature of freezer

We need to calculate the thickness of Styrofoam insulation
Using Fourier law,


Put the value into the formula


Hence, Thickness of Styrofoam insulation is 0.02741 m.
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