A worker pulls a box of mass 65 kilogram on the floor at an
A worker pulls a box of mass 65 kilogram on the floor at an angle 20 degree above the horizontal. The coefficient of static friction between the floor and the box is 0.35. Find the force needed to maintain the box moving with a constant speed?
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the sound intensity level at a rock concert is 115 db while that at a jazz fest is 95 db find the ratio of sound
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if you move towards an emitter of yellow light lambda 580nm at half the speed of light find what wavelength would you
a worker pulls a box of mass 65 kilogram on the floor at an angle 20 degree above the horizontal the coefficient of
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an olympic long jumper is capable of jumping 80 meter suppose that his horizontal speed is 92 ms as he leaves the
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a boy flies a kite with the string at a 30 degree angle to the horizontal the tension in the string is 45
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