Answer to Question #185907 in Physics for Yuu

Question

We want to slide a 12-kg crate up a 2.5-m-long

ramp inclined at 300. A worker, ignoring friction,

calculate s that he can do this by giving it an initial speed of 5.0m/s at the bottom and letting it go. But friction is not negligible; the crate slides only 1.6 m up the ramp, stops, and slides back down

a. Find the magnitude of the friction force

acting on the crate, assuming that it is

constant.

b. How fast is the crate moving when it reaches the bottom of the ramp.

Answer 1

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