Energy in lifting= mgh= 102*0.454*9.8*0.66=299.52 joules
Power= energy/time= 299.52/4.3= 69.65 watt.
How much power does it take a power lifter to lift 102lbs 0.66m of the ground...
13. How much power does it take to lift 30.0 kg 10.0 m high in 5.00 s?
How much work do you do, when you lift a mass (4.0kg) from the ground to a height of 6.0 m in 11 seconds? Answer: ____ J
A weight lifter lifts a 310 N set of weights from ground level to a position over his head, a vertical distance of 1.65 m. How much work does the weight lifter do, assuming he moves the weights at constant speed?
QUESTION 3 How much time in seconds does it take to travel this from the ground floor to the top floor? Remember that the cab must start from rest when you get on and stop moving for you to get off. There will be three different types of motion. Another similar elevator has been designed to travel a distance of 363 meters from the bottom to the top floor It has an acceleration of 1.44 meter per second squared when...
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4. How much work is it to lift a 25 kg sack of cement vertically 4.3 m?
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4. How much time does it take for light from the sun to reach the earth? (The distance between the sun and the earth is, on average, 1.50 x 10 m. The speed of light in vacuum is 3.00 x 10° m/s.) 5. You drop a 1.00-kg lead ball from a height of 2.50 meters. How much times does it take for the ball to hit the ground?
How much time in seconds does it take to travel this straight line distance? Another similar elevator has been designed to travel a distance of 255 meters It has an acceleration of 0 879 meter per second squared It has a maximum speed of 360 meters per minute. This means that once reaches its maximum speed, i continues the rest of the journey at this maximum speed Hint - you have to do this in two separate parts as you...