P1. ( 5 pts.) The burner on a certain electric stove are each rated at

0.8kW

, and the oven is rated at

1.3kW

. During the cooking of a certain meal, the following usage is determined: Burner#1 for 15 minutes, Burner

#2

for 25 minutes and Oven for 75 minutes. If electricity costs

8!in

per

kWh

, determine the cost of preparing the meal.\ P2. (5 pts) A certain load is characterized by an instantaneous power that increases linearly from zero to

3kW

over a 5 hours period. Determine the total energy in a)

kWh

and b) in joules.

P1. ( 5 pts.) The burner on a certain electric stove are each rated at 0.8kW, and the oven is rated at 1.3kW. During the cooking of a certain meal, the following usage is determined: Burner\#1 for 15 minutes, Burner #2 for 25 minutes and Oven for 75 minutes. If electricity costs 8 per kWh, determine the cost of preparing the meal. P2. (5 pts) A certain load is characterized by an instantaneous power that increases linearly from zero to 3kW over a 5 hours period. Determine the total energy in a) kWh and b) in joules