(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 light bulb converts 75% of electrical power into light. What happens to the rest?
Power can also be expressed as the product of ___ and ___ in linear motion.
State the base SI units of power.
What is the meaning of a machine having a power rating of 2.5 kW?
A 12 V battery supplies a current of 4 A to a lamp. What is the power supplied?
A 100% efficient motor has a power input of 1.2 kW. What is the power output?
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
Define power in terms of work and time.
Formula
The graph of energy vs. time for a system has a slope of 250 J/s. What quantity does this represent?
A crane lifts a 200 kg load vertically at 0.8 m/s. What is its power output? (g = 9.8 m/s²)
A motor does 12 kJ of work in 20 seconds. What is its power output?
Write the equation connecting work done, power, and time.
Give the SI unit of power.
A machine transfers 600 J of useful energy each second from an input of 750 J/s. What is its efficiency?
Express power in terms of energy transfer.
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?
The power developed by a car engine is 40 kW. In 5 seconds, how much work is done?
A 60 W lamp is used for 30 seconds. How much energy does it convert?
