6. How much does it cost to run a 200 Watt lava lamp for 14 days if the cost of electricity is $0.06 per Kilowatt-hour?
Watts used:
Kilowatts used:
Time used each month:
Kilowatt hours (energy) used:
Cost per kilowatt hour: 80.06 per Kilowatt-hour
I
Total Cost:

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Ответ:

Tanya120

23.02.2020

Physics

a). Ek=40J

Explanation:

Kinetic energy equation is

bowling mass, m=5.0kg

velocity, v=4 m/s

$E_{k} =\frac{1}{2}*m*v^{2}\\E_{k} =\frac{1}{2}*5.0kg*(4\frac{m}{s})^{2}\\E_{k}=\frac{1}{2}*5.0kg*16\frac{m^{2}}{s^{2}}\\E_{k}=\frac{1}{2}*80 \frac{kg*m^{2}}{s^{2}}\\E_{k}=40J$

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6. How much does it cost to run a 200 Watt lava lamp for 14 days if the cost of electricity is $0.06 per Kilowatt-hour? Watts used: Kilowatts used: Time used each month: Kilowatt hours (energy) used: Cost per kilowatt hour: 80.06 per Kilowatt-hour I Total Cost: