Asked by Maia
A 25 kg mass is on a level, rough surface where the force of friction is a constant 15 N. A horizontal applied force of 65 N acts on the mass. The mass is initially at rest.
What speed does that mass have after being moved 2.0m?
What speed does that mass have after being moved 2.0m?
Answers
Answered by
drwls
V = sqrt(2aX)
where a is the acceleration and X is the distance it has moved from a stationary start.
The net force acting horizontally on the block is F = 50 N. Thus a = F/m = 50/25 = 2 m/s^2
V = sqrt(2*2*2) = sqrt8 = 2.83 m/s
where a is the acceleration and X is the distance it has moved from a stationary start.
The net force acting horizontally on the block is F = 50 N. Thus a = F/m = 50/25 = 2 m/s^2
V = sqrt(2*2*2) = sqrt8 = 2.83 m/s
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