h U: 5m C 45 D W: m 3h
Body U with mass 5m is stacked on the top body W with
mass m, and released. The bodies are in contact along the
frictionless interface at 45 to the vertical. The body U is
in contact with the frictionless vertical wall. Body W lies
on the floor with coefficient of friction u. Relevant
dimensions are shown in the figure. Express the results in
terms of given quantities: m, g, h and u.
Let u =1/5. In initial configuration (shown), the velocities are zero. Find the
frictional force with the ground during the motion while the two bodies are in contact.
Let u = 1/5. In initial configuration (shown), the velocities are zero. Find the
velocities (direction and magnitude) of U and W at the instant when they separate (i.e., when the point C of U coincides with point D of W). Please use work-energy principle.
![U: 5m
C
45
D
W: m
3h](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F709a45c3-dbce-453b-a11a-e3f0d8d98627%2F32ed24c4-9de7-40cd-a132-d35a5da9d94e%2F5ev9zf8_processed.png&w=3840&q=75)
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