I really need help so heres the question: "A 100 watt lightbulb is on for 2 hours a day" What is the energy in watt-hour (Wh) it consumes per day?

Explanation:

You have to assume the lightbulb consumes 100 watts of power. If it gives off 100 watts equivalent of light, you cannot solve the problem.

W = 100 watts

T = 2 hours

Energy = W * h

Energy = 100 * 2

Energy = 200 watt*hours

when jerome paddle in flowing river towards east the net speed of jerome will increase

so the net speed of jerome will be given as

now the speed of paul will be same as it is given as he is running on the ground

so

so here we can say since the speed of jerome is more so he will win the race

now as we know the distance so the time difference is given as

so jerome will reach first and the time difference will be 203.55 s or 3.4 min