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The work is Work= FD= 40x18= 720 Joules. The power is W/seconds = 720/4= 180 Watts.
You will need a calculator: 5 to the power of 180 means five times itself 180 times.
1.007500^180 = 3.838043267
100*180/600 = 30%
50% of 180 = (convert percentage to fraction) 1/2 * 180 = 90
1800 joules / 1 minute = 1,800 joules / 60 seconds = 30 joules per second = 30 watts.
He used a force such that its component in the upward direction was 225 Newtons.
The work is Work= FD= 40x18= 720 Joules. The power is W/seconds = 720/4= 180 Watts.
94 percent (which is easily calculated, 3760/4000x100).
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 that has a potential energy of 180 joules and rest at the top of a hill 15 meters from the ground?
180
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.
approx,--180 hp
You will need a calculator: 5 to the power of 180 means five times itself 180 times.
you work out how much it is to 180
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