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A car of mass 800kg goes round a corner of radius 65 m at a speed of 10 m/s. What force is needed to achieve this?
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Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?
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Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.
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A car of mass 800kg goes round a corner of radius 65 m at a speed of 10 m/s. What force is needed to...
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