Question
An electric motor has a rating of 4.0 x 10^2 watts. How much time will it take for this motor to lift a 50.-kilogram mass a vertical distance of 8.0 meters?
Asked by: USER4893
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181 Answers
Answer (181)
ΔT = ?
P = 50 kg
ΔS = 8.0 m
g = 9.8 m/s²
Pot = 4,0x10² W
Find the time :
ΔT = P * g * ΔS / Pot
ΔT = 50 * 9.8 * 8.0 / 4.0x10²
ΔT = 3920 / 4x10²
ΔT = 9.8 S
hope this helps!
P = 50 kg
ΔS = 8.0 m
g = 9.8 m/s²
Pot = 4,0x10² W
Find the time :
ΔT = P * g * ΔS / Pot
ΔT = 50 * 9.8 * 8.0 / 4.0x10²
ΔT = 3920 / 4x10²
ΔT = 9.8 S
hope this helps!