Answer:
0072.00kW
Explanation:
1,200 hours multiply by 60W will give you 72000kW. Convert it to kW. That will give you 0072.00kW.
Answer: Power is 200 W
Explanation: Power P = work done / time used.
P = W/t = mgh/t = 154 kg · 9.81 m/s²· 4 m / 30 s = 201 W
12.1429 miles per hour
0.11 kg
Ft = MV
Ft = momentum 5.22kg m/s
M = mass
V = velocity 48.3m/s
Therefore
5.22 = M x 48.3
Divide both sides by 48.3
5.22/48.3 = M x 48.3/48.3
0.11 = M
M = 0.11kg
I'm pretty sure it'sssss A