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Q: How much power is to do 180 joules of work in 2.4 sec?
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How much power is involved if 1800 joules of work are done in 1 minute?

1800 joules / 1 minute = 1,800 joules / 60 seconds = 30 joules per second = 30 watts.


If a mailman performed 180 J of work lifting a box 0.8 m how much force did the mailman use?

He used a force such that its component in the upward direction was 225 Newtons.


Find the work you do when you exert a force of 40 N to run a distance of 18 m in 4 seconds?

The work is Work= FD= 40x18= 720 Joules. The power is W/seconds = 720/4= 180 Watts.


A machine requires a work input of 180-joules to achieve a work output of 140-joules. What is the efficiency of the machine?

94 percent (which is easily calculated, 3760/4000x100).


How much force did the mail man use if he performed 180 Joules of work to life a box 0.8 meters?

I suggest you use the definition of work (work = force x distance), replace the numbers you know, and solve for force.


How do you Calculate the mass of an object of 180 joules and rest at 15 meters from the ground?

How do you calculate the mass of an object that has a potential energy of 180 joules and rest at the top of a hill 15 meters from the ground?


How much horse power does 2003 impala have?

180


How many joules are needed to run a 60 watt light bulb for 1 minute?

1 Watt means 1 Joule per second, so 60 watts means 60 Joules per second. A light bulb that burns energy at that rate for 3 seconds uses 180 Joules.


How much horse power does a 1997 3.1L Malibu have?

approx,--180 hp


How do you calculate 5 to the power of 180?

You will need a calculator: 5 to the power of 180 means five times itself 180 times.


How do you know the other 2 angles if only 1 angle is given?

you work out how much it is to 180


A 38 kg block of lead is heated from 26 degrees Celsius to 180 degrees Celsius how much heat energy does the block of lead absorb to increase its temperature this much?

The specific heat of lead is 0.0305 K cal/kg deg C. The heat absorbed will be 38x(180-26)x0.0305 = 178.5 Kcal = 746.1 K joules