(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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A motor does 12 kJ of work in 20 seconds. What is its power output?
State the base SI units of power.
Express power in terms of energy transfer.
What is the meaning of a machine having a power rating of 2.5 kW?
Power can also be expressed as the product of ___ and ___ in linear motion.
Name one common unit for large power outputs
The graph of energy vs. time for a system has a slope of 250 J/s. What quantity does this represent?
A light bulb converts 75% of electrical power into light. What happens to the rest?
A motor exerts a constant force of 150 N and moves an object at 4 m/s. Calculate the power output.
If a 2 kW kettle runs for 3 minutes, what total energy is transferred?
A 60 W lamp is used for 30 seconds. How much energy does it convert?
A crane lifts a 200 kg load vertically at 0.8 m/s. What is its power output? (g = 9.8 m/s²)
Define power in terms of work and time.
Formula
A machine transfers 600 J of useful energy each second from an input of 750 J/s. What is its efficiency?
Give the SI unit of power.
The power developed by a car engine is 40 kW. In 5 seconds, how much work is done?
A 12 V battery supplies a current of 4 A to a lamp. What is the power supplied?
A person who weighs 500 N runs up a flight of stairs in 5.0 s (Figure 5.18). Their gain in height is
3.0 m. Calculate the rate at which work is done against the force of gravity
Write the equation connecting work done, power, and time.
A 100% efficient motor has a power input of 1.2 kW. What is the power output?
