A cookie jar is moving up a 40° incline. At a point 55 cm from
the...
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Physics
A cookie jar is moving up a 40° incline. At a point 55 cm fromthe bottom of the incline (measured along the incline), the jar hasa speed of 1.8 m/s. The coefficient of kinetic friction between jarand incline is 0.15.
(a) How much farther up the incline will the jar move? ___ m
(b) How fast will it be going when it has slid back to the bottomof the incline? ___m/s
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3.7 Ratings (525 Votes)
afrom the force diagram Fn nomal force mgCos40frictional force is given asf k Fn kmgCos40Net force opposite to motion of jar is given asFnet
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