Power calculations alpha
star
star
star
star
star
Last updated 3 months ago
10 questions
1
A lamp uses 100 J of energy in 5 seconds. What is the power of the lamp?
A lamp uses 100 J of energy in 5 seconds. What is the power of the lamp?
1
A small motor does 500 J of work in 25 seconds. What is its power output?
A small motor does 500 J of work in 25 seconds. What is its power output?
1
A heater transfers 1200 J of energy in 30 seconds. What is the power of the heater?
A heater transfers 1200 J of energy in 30 seconds. What is the power of the heater?
1
A machine uses 750 J of energy in 15 seconds. Calculate its power.
A machine uses 750 J of energy in 15 seconds. Calculate its power.
1
A device transfers 1500 J of energy in 60 seconds. What is its power?
A device transfers 1500 J of energy in 60 seconds. What is its power?
1
A fan uses 240 J of energy in 8 seconds. Find its power.
A fan uses 240 J of energy in 8 seconds. Find its power.
1
A motor consumes 1800 J of energy in 60 seconds. What is its power output?
A motor consumes 1800 J of energy in 60 seconds. What is its power output?
1
A device transfers 900 J of energy in 45 seconds. What is its power?
A device transfers 900 J of energy in 45 seconds. What is its power?
1
9. A toaster uses 600 J of energy in 20 seconds. What is its power?
9. A toaster uses 600 J of energy in 20 seconds. What is its power?
1
10. A hair dryer transfers 3000 J of energy in 100 seconds. What is its power?
10. A hair dryer transfers 3000 J of energy in 100 seconds. What is its power?