A ball rolls down a board which is 20 degrees to the
A ball rolls down a board which is 20 degrees to the horizontal. This time there is a coefficient of kinetic friction of 0.1. If the ball starts at rest a distance of 2m from the bottom of the board. What is its speed at the bottom of the board?
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a helium-neon laser 630 nm is used in a single-slit experiment with a screen 75 m away from the slit if the slit is
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light from a helium-neon laser 630nm is incident on a diffraction grating and then illuminates a screen that is 10 m
some asteroid named briggie has been discovered revolving around the sun on a circular orbit with a period of 390 years
a ball rolls down a board which is 20 degrees to the horizontal this time there is a coefficient of kinetic friction of
the following is adapted from an environmental engineering pe exam the total phosphate concentration totpo4 in a river
you have just been appointed as the auditor of gritty manufacturing ltd and you are in the process of planning your
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at their closest approach venus amp earth are 420 x 1010m apart the mass of venus is 487 x 1024 kg the mass of earth is
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