Question 13: A block of mass M is released at rest and it is under going a circular motion in a path of radius R as shown in Figure 7. The gravitational force acts on the block. Assuming that a friction force of magnitude f = b0²/3 also acts on the block where b is a constant and 0 is the angle with the horizontal as shown in Figure 7 (g is the gravitational acceleration), find the speed of the block when the block is at 0 = n/6 angular position (sin(7/6) 1/2 and cos(7/6) = v3/2).
Question 13: A block of mass M is released at rest and it is under going a circular motion in a path of radius R as shown in Figure 7. The gravitational force acts on the block. Assuming that a friction force of magnitude f = b0²/3 also acts on the block where b is a constant and 0 is the angle with the horizontal as shown in Figure 7 (g is the gravitational acceleration), find the speed of the block when the block is at 0 = n/6 angular position (sin(7/6) 1/2 and cos(7/6) = v3/2).
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Transcribed Image Text:Question 13: A block of mass M is released at rest and it is under going a
circular motion in a path of radius R as shown in Figure 7. The gravitational
force acts on the block. Assuming that a friction force of magnitude f = b02/3
also acts on the block where b is a constant and 0 is the angle with the horizontal
as shown in Figure 7 (g is the gravitational acceleration), find the speed of the
block when the block is at 0 = 1/6 angular position (sin(7/6) = 1/2 and
cos(7/6) = v3/2).
m
R
Figure 7
Select one:
56R,A
- )5/3
6m 6
gR
106R, T
gR
)3/2
6.
9m
96R
gR
)2/3
10m
5bR,T
3/5
gR
6m 6
6bR ,
gR
5m 5/3
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