Coefficient of kinetic friction between the child and slide
A child goes down a playground slide with an acceleration of 1.40 . Find the coefficient of kinetic friction between the child and the slide if the slide is inclined at an angle of 31.0 below the horizontal.
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A 7.50-L container holds a mixture of two gases at 33 °C. The partial pressures of gas A and gas B, respectively, are 0.227 atm and 0.852 atm. If 0.220 mol of a third gas is added with no change in volume or temperature, what will the total pr
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A car moving at 10 m/s crashes into a barrier and stops in 0.50 s. There is a 20 kg child in the car. Assume that the child's velocity is changed by the same amount as the car's in the same time period. a. What is the impulse needed to stop the ch
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