Answer:
18
Step-by-step explanation:
Answer:
Invitation to the performance Felix Net and Nika and a Gang of Invisible People.
Step-by-step explanation:
Answer:
63:147
Step-by-step explanation:
Because 3*21= 63 and 7*21= 147
Answer:663
Step-by-step explanation:
Answer:
Net power = 20kW
B.) $128
Step-by-step explanation:
Given that :
Coefficient of performance = 2.5
Rate = 20kW
The net power required to operate the heat pump :
Energy delivery rate / Coefficient of performance
= 20kW / 2.5
= 8kW
B.) Given that electricity cost equals $0.08 per kW
If pump operates for 200 hours
Total energy used in kWhr :
8kW * 200= 1600kW
Cost per kW = $0.08
1600 * 0.08 = $128