A6.25 kg block is sent up a ramp inclined at an angle =31.5° from the horizontal. it is given an initial velocity =15.0 m/s up the ramp. between the block and the ramp, the coefficient of kinetic friction is =0.368 and the coefficient of static friction is =0.663. how far up the ramp in the direction along the ramp does the block go before it comes to a stop?

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Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge