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
a 10 kilogram block is set in motion up a 20o inclined plane with an initial speed of 80 ms with no extra forces
a penny is located 145 centimeter from the center of a turntable when the speed of the turntable is slowly increased
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
a plane is heading south at a speed of 500 kmh there is a wind of a speed of 70 kmhr average heading southwest obtain
an olympic long jumper is capable of jumping 80 meter suppose that his horizontal speed is 92 ms as he leaves the
a transformer on a pole near a factory steps the voltage down from3600 v rms to 120 v rms the transformer is to deliver
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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