7 Answered Questions for the topic WORK AND ENERGY

Work And Energy Physics

04/06/22

work and energy
A basketball player throws a basketball m = 1 kg straight up with an initial speed of v0 = 5.5 m/s. The ball leaves his hand at shoulder height h0 = 2.1 m. Let gravitational potential energy be... more
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Work And Energy Physics

04/06/22

work and energy
 A child of mass m = 27 kg slides down a slide of height h = 2.6 m without friction. Let gravitational potential energy be zero at ground level.a) write an expression for the childs total... more
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Work And Energy Physics

04/04/22

Work and Energy
Suppose a car approaches a hill and has an initial speed of 120 km/h at the bottom of the hill. The driver takes her foot off of the gas pedal and allows the car to coast up the hill.a) if the car... more
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03/22/21

Relationship between work and energy
A 50-g ball is dropped from a height of 2.0m. (a.) What is the work done on it by its weight? (b.) What is its final kinetic energy? (c.) What is its final speed? *PLEASE HELP!!!
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Work And Energy Physics

07/19/19

Physics-Work, Energy and Power
The time it takes a car to race from rest through a distance d depends primarily on the engine’s power P.Assuming the power is constant, derive the time in terms of d and P.I have followed... more
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Work And Energy Class 9

02/02/19

A 5.0 kg block moves on a straight line.
A 5.0 kg block moves in a straight line on a horizontal frictionless surface under the influence of a force that varies with position as shown. How much work is done by the force as the block moves... more
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Work And Energy

10/15/16

if a block of mass 2kg slides on an inclined plane making an angle of 60 with the horizontal.then what will be the work done by the force of gravity ?
IN THE GIVEN FIG ...THERE IS A RIGHT ANGLED TRIANGLE IN WHICH HEIGHT =3M ,BASE =4M .AND THE OBEJECT IS PLACED AT A TOP OF TRIANGLE SLIDE OVER HYPOTENUSE MAKING ANGLE 60 WITH BASE ....DETAIL OF... more
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