physics
posted by michelly .
how long does it take to do 432 joules of work with 75 watts of power?

power= work/time
solve for time
Respond to this Question
Similar Questions

Physics
A person is making homemade ice cream. She exerts a force of magnitude 17 N on the free end of the crank handle, and this end moves in a circular path of radius 0.28 m. The force is always applied parallel to the motion of the handle. … 
Astronomy/Physics
I'd love thorough solutions to these problems, but simply providing the specific formulas that I should solve each part of the problem with would be really good too. :) Thanks! Human energetics You are sitting down to study in the … 
math
if 1790 maga watts of power,out of 3000 mega watts generated by a power utility, reach the destination, what percentage of the generated power reaches its destination. please show work 
physics
Electric potential is measured in units of ____________________. A) watts.B) joules per coulomb, or volts.C) joules.D) ohms.E) amperes. 
Physics
If an automobile engine delivers 45.2 hp of power, how much time will it take for the engine to do 5.40 105 J of work? 
Physics
George pushes a wheelbarrow for a distance of 12 meters at a constant speed for 35 seconds by applying a force of 20 newtons. What is the power applied to push this wheelbarrow? 
science
A linear circuit is shown below in Figure 1. Figure 1 The elements in this circuit have the following values: R1=100Ω, R2=200Ω, R3=350Ω, V=5V, and I=0.004A. Determine the potentials drops vA and vB across resistors R1 … 
Physics
At the gym, a woman lifts 40 kilograms of weights on the leg press machine. It takes her 0.5 seconds to raise the weights a vertical distance of 0.4 meters. How much power does the woman generate when lifting the weights? 
Science
A current of 6.0 amps passes through a motor that has a resistance of 5.0 ohms. Calculate the power 30 watts 150 watts 180 watts *** 900 watts Thanks 
Physics
How much time is needed to produce 840 joules of work if 100 watts of power is used?