An object with a mass of 78 kilograms is lifted through a height of 6 meters. How much work is done? A. 468 J B. 764.4 J C. 47.75 J D. 4,586.4 J
An object with a mass of 78 kilograms is lifted through a height of 6 meters. Work is done = mgh = 78 * 9.8 *6 = 4,586.4 J.
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Question
Updated 13 days ago|1/13/2021 11:15:09 PM
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An object with a mass of 78 kilograms is lifted through a height of 6 meters. Work is done = mgh = 78 * 9.8 *6 = 4,586.4 J.
Added 13 days ago|1/13/2021 11:15:09 PM

Questions asked by the same visitor
A moving company is called into a building and asked to relocate 520 bricks to a location 15 meters above the ground. If each brick is 4 kilograms, what amount of work will be needed to accomplish the task? A. 305,760 J B. 229,320 J C. 203,840 J D. 588,000 J
Question
Updated 212 days ago|6/29/2020 2:49:00 AM
A moving company is called into a building and asked to relocate 520 bricks to a location 15 meters above the ground. If each brick is 4 kilograms, 305,760 J of work will be needed to accomplish the task.

Work done = mgh
Work done = 4 kg * 9.8 * 15 m
Work done = 588 J

588 J * 520 = 305,760 J (answer)
Added 212 days ago|6/29/2020 2:49:00 AM
How much time should be allowed for a 605-mile car trip if the car will be traveling at an average speed of 55 miles per hour? A. 8.75 hours B. 11 hours C. 9 hours D. 10.5 hours
Question
Updated 212 days ago|6/29/2020 2:49:11 AM
11 hours is allowed for a 605-mile car trip if the car will be traveling at an average speed of 55 miles per hour.
Solution:
605 / 55 = 11 (answer)
Added 212 days ago|6/29/2020 2:49:11 AM
What force is required to accelerate a body with a mass of 15 kilograms at a rate of 8 m/s A. 1.875 kg B. 23 kg C. 120 N D. 23 N
Question
Updated 2/6/2019 1:53:26 PM
120 N is required to accelerate a body with a mass of 15 kilograms at a rate of 8 m/s.

Solution:
F = m x a = 15 Kg x 8 m/s^2 = 120 Newton.
Which of the following statements is accurate? A. Compressions and rarefactions occur throughout a transverse wave. B. Sound waves passing through the air will do so as transverse waves, which vibrate vertically and still retain their horizontal positions. C. Amplitude of longitudinal waves is measured at right angles to the direction of the travel of the wave and represents the maximum distance the molecule has moved from its normal position. D. The wavelength of both transverse ...
Question
Updated 7/22/2019 4:00:26 PM
The amplitude of longitudinal waves is measured at right angles to the direction of the travel of the wave and represents the maximum distance the molecule has moved from its normal position, is the accurate statement.
If you placed the contents of a packet of powdered iced tea mix into a bottle of water and shook it, which of the following would be true? A. The solution would be homogenous if half of the powdered solute sat at the bottom of the bottle. B. The water would be the solvent. C. The iced tea mix would dissolve the water. D. The iced tea mix would be the solvent.
Question
Updated 210 days ago|7/1/2020 1:12:43 PM
If you placed the contents of a packet of powdered iced tea mix into a bottle of water and shook it, the following would be true: The water would be the solvent.
Added 210 days ago|7/1/2020 1:12:43 PM
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