Fytys A 6.0-kg block initially at rest is pulled to the right along a horizontal surface by a constant horizontal force of 12 N. (A) Find the speed of the block after it has moved 3.0 m if the surfaces in contact have a coefficient of kinetic friction of 0.15. (B) Suppose the force F is applied at an angle e as shown in Figure 8.8b. At what angle should the force be applied to achieve the largest possible speed after the block has moved 3,0 m to the right?

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Example 8.4 A Block Pulled on a Rough Surface AM
A 6.0-kg block initially at rest is pulled to the right along a horizontal surface by a
constant horizontal force of 12 N.
(A) Find the speed of the block after it has moved 3.0 m if the surfaces in contact
have a coefficient of kinetic friction of 0.15.
(B) Suppose the force F is applied at an angle é as shown in Figure 8.8b. At what angle should the force be applied
to achieve the largest possible speed after the block has moved 3,0 m to the right?
7₁
FylyS
a
b
Mk = 0.15:
n
n
mg
mg
Ax
-Ax
3-
Fylys
Transcribed Image Text:kindly i want the answers separately Example 8.4 A Block Pulled on a Rough Surface AM A 6.0-kg block initially at rest is pulled to the right along a horizontal surface by a constant horizontal force of 12 N. (A) Find the speed of the block after it has moved 3.0 m if the surfaces in contact have a coefficient of kinetic friction of 0.15. (B) Suppose the force F is applied at an angle é as shown in Figure 8.8b. At what angle should the force be applied to achieve the largest possible speed after the block has moved 3,0 m to the right? 7₁ FylyS a b Mk = 0.15: n n mg mg Ax -Ax 3- Fylys
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