Power
Read this topicExplanations 2
- Power is a measurement of energy per time, measured in watts. An 100 Watt bulb would be using 100 Joules of energy per second. You can also calculate power by work done per time…
By Joel Ye
- In physics, power is the amount of energy transferred per unit time. It is a scalar quantity. The equation of power is P = wt\frac{w}{t}tw The unit of power is equal to the uni…
By PhySics
Problems 3
- A machine does 192 J192\text{ J}192 J of work in 24 s24\text{ s}24 s. What is the power of the machine in watts?
- A car of mass 1.5⋅1031.5\cdot10^31.5⋅103kg accelerates at a constant rate to go from rest to 20 meters per second in 5 seconds. Calculate the average power, in watts.
- What is the power converted from the wind?