A student is trying to determine the critical angle (0) at which block will slide down an incline. She knows the coefficient of static friction between the incline and the block is 0.53 and the coefficient of kinetic friction is 0,44. Neglect drag. Hint: One way to solve the problem is to solve for all quantities in terms of m, 0 and g (but not µ), then use f = u N and a trig identity to solve for 0. What is the critical angle? Would the the block slide if the incline angle were 35°?

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A student is trying to determine the critical angle (0) at which block will slide down
an incline. She knows the coefficient of static friction between the incline and the
block is 0.53 and the coefficient of kinetic friction is 0.44. Neglect drag.
Hint: One way to solve the problem is to solve for all quantities in terms of m, 0 and
g (but not u), then use f = u N and a trig identity to solve for 0.
What is the critical angle?
Would the the block slide if the incline angle were 35°?
cannot be determined
check answers
ator
3m/s
Rain to stop ^ ó a40
res
O şearch
=21.x 2.1
VE
21-0
d
|立
Transcribed Image Text:A student is trying to determine the critical angle (0) at which block will slide down an incline. She knows the coefficient of static friction between the incline and the block is 0.53 and the coefficient of kinetic friction is 0.44. Neglect drag. Hint: One way to solve the problem is to solve for all quantities in terms of m, 0 and g (but not u), then use f = u N and a trig identity to solve for 0. What is the critical angle? Would the the block slide if the incline angle were 35°? cannot be determined check answers ator 3m/s Rain to stop ^ ó a40 res O şearch =21.x 2.1 VE 21-0 d |立
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