Power calculations beta
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Last updated 3 months ago
14 questions
1
A light bulb uses 120 joules of energy in 2 seconds. What is the power of the light bulb?
A light bulb uses 120 joules of energy in 2 seconds. What is the power of the light bulb?
1
A microwave uses 450 joules of energy in 3 seconds. What is the power of the microwave?
A microwave uses 450 joules of energy in 3 seconds. What is the power of the microwave?
1
A motor does 1,200 joules of work in 6 seconds. How much power does the motor produce?
A motor does 1,200 joules of work in 6 seconds. How much power does the motor produce?
1
An electric heater uses 2,000 joules of energy in 10 seconds. What is the power of the heater?
An electric heater uses 2,000 joules of energy in 10 seconds. What is the power of the heater?
1
A fan consumes 900 joules of energy in 5 seconds. What is the power of the fan?
A fan consumes 900 joules of energy in 5 seconds. What is the power of the fan?
1
A heater uses 3 kJ of energy in 2 minutes. What is its power?
A heater uses 3 kJ of energy in 2 minutes. What is its power?
1
A microwave uses 4 kJ of energy in 2 minutes. What is its power?
A microwave uses 4 kJ of energy in 2 minutes. What is its power?
1
A fan uses 2.4 kJ of energy over a period of 4 minutes. Calculate its power.
A fan uses 2.4 kJ of energy over a period of 4 minutes. Calculate its power.
1
A motor uses 5 kJ of energy in 3 minutes. What is the power of the motor?
A motor uses 5 kJ of energy in 3 minutes. What is the power of the motor?
1
A laptop consumes 6 kJ of energy in 5 minutes. Find its power.
A laptop consumes 6 kJ of energy in 5 minutes. Find its power.
1
A blender uses 1.2 kJ of energy in 2 minutes. What is its power?
A blender uses 1.2 kJ of energy in 2 minutes. What is its power?
1
A drill operates with 9 kJ of energy over 3 minutes. Calculate its power.
A drill operates with 9 kJ of energy over 3 minutes. Calculate its power.
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8. A vacuum cleaner uses 15 kJ of energy in 10 minutes. What is its power?
8. A vacuum cleaner uses 15 kJ of energy in 10 minutes. What is its power?
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9. A light bulb consumes 2.5 kJ of energy over 5 minutes. Calculate the power of the light bulb.
9. A light bulb consumes 2.5 kJ of energy over 5 minutes. Calculate the power of the light bulb.