Momentum = (mass) x (speed)
Divide each side by (speed): Mass = (momentum) / speed
Mass = (45,000 kg-m/s) / (30 m/s) =
1,500 kg .
Answer:
approximately 0.00504 kWh
Explanation:
This electrical energy and is measured in kWh.
For 5 minutes and 20 seconds of use, it is 0.06 W x 0.084 h = 0.00504 kWh.
<u><em>Note</em></u>: 60W = 0.06kW; 5min 20sec = 0.083(8) ≈ 0.084 hour
Explanation:
hmm by the increasing the size of wheel and decreasing axle