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If you want to lift a 20-kg box off the floor to a height of 0.5 meters ...

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If you want to lift a 20-kg box off the floor to a height of 0.5 meters how much work ... How much work will it take to lift a 2-kg pair of hiking boots 2 meters off the ...

If you want to lift a 20 kg box off the floor to a height of 05 meters how ...

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How much work will it take to lift a 2-kg pair of hiking boots 2 meters off the ground ... If you want to lift a 20-kg box off the floor to a height of 0.5 meters how much ...

Work and Energy Notes - District 196

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When you lift a box up off the floor, you must exert a force at least equal to the ... If you exert a force of 50 Newtons on the box and lift it 1 meter high, then you did ... Kinetic Energy is produced when a net force does work on the object ... For example, if a 0.5 kg ball is travelling at 10 m/s, then it has ... How much work is d...

How much work is required to lift a 10kg weight 5m off the floor if the

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You take a 10 N block and lift it 1 meter vertically from the floor and then ... (b) How much force is required to lift the box, if the mass of the box is 100 kg? ... Calculate the work required to lift a 20kg object from the floor to a height of 2 meters. ... The height (in feet) of a small weight oscillating at the end of a spring is ...

Work Done against Gravity - CPO Science

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height because only the vertical distance an object moves matters for ... If you have to lift a new sofa to a second-floor apartment, the work done ... Elijah does 44 joules of work against gravity to pull a 0.5-kilogram rope with a ..... A lever used to lift a heavy box has an input arm of 4 meters and an output arm of 0.8 meters.

how much work is being done if a 100 N box is lifted 3 meters off the ...

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how much work is done when 100 kg lifted 5 meters above the ground ... If the box is lifted, at constant acceleration, from rest on the floor to a height of 1.5 m . ... I need help with these three questions, thanks 1)The man lifts a box that weght 185N. ... I found that 353N is the maximum force you can apply to box 1 so that box 2 ...

Physics Homework Help: Conservation of Energy - Physics 24/7

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Conservation of Energy: Within an isolated system, one type of energy can be ... Etotal = (0.5)mv<sup>2</sup> + mgh + (0.5)kx<sup>2</sup> is unchanging if no work is done on or by the ... a higher plateau What is the maximum height of the plateau above the floor? 2. ... The object of the mass 4.50kg is released from rest 4.50m above the ground.

The work-energy theorem states that the work done on - Northern ...

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If work is the only means to move energy into or out of our system than it will be true ... room at a constant velocity and put it on a shelf at the same height. .... Lifting the box off the floor requires you to supply a force at least equal to its .... On Planet X a 0.5 kg space rock falls a distance of 2.5 meters and looses 20 J of ...

Physics Homework Help: Work, Power - Physics 24/7

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Only the component of the force parallel to the motion does work. As in the diagram below, if a rope is tied to a box and the box is pulled horizontally along a floor, some ... An asteroid traveling at constant velocity out of reach of gravitational fields ... frictionless coasters is pushed 5 m along a ramp that makes an angle of 20º ...

Work and Energy Review - with Answers #2 - The Physics Classroom

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A 1200 kg car and a 2400 kg car are lifted to the same height at a constant ... How much work does he do on the box while walking across the floor at constant speed? ... kinetic energy is directly related to the square of the speed (KE=0.5*m* v<sup>2</sup>). ... off a diving board that is elevated to a height of 10 meters above the water.