A Go cart nearly came to a stop before crashing into another go cart and 60m...
A Go cart nearly came to a stop before crashing into another go cart and 60m long skid marks was observed. The coefficient of Kinetic friction b/w the tire and the dirt is 0.7. What was the initial speed of that go cart if it was moving downward at a 14 degree incline?
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A Go cart nearly came to a stop before crashing into another go
cart and 60m...
When examining the scene of an accident involving two cars, investigators measure 73-m-long skid marks of...
When examining the scene of an accident involving two cars, investigators measure 73-m-long skid marks of one of the cars, which nearly came to a stop before colliding. The coefficient of kinetic friction between rubber and the pavement is about 0.90. Estimate the initial speed of that car assuming a level road.
1. The block shown in (Figure 1) has mass m = 7.0 kg and lies on...
1. The block shown in (Figure 1) has mass m = 7.0 kg and lies on a fixed smooth frictionless plane tilted at an angle θ = 24.5 ∘ to the horizontal. a. Determine the acceleration of the block as it slides down the plane. Express your answer to three significant figures and include the appropriate units. b. If the block starts from rest 19.0 m up the plane from its base, what will be the block's speed when it...
11. How high should an object go so that its potential energy gain is the same...
11. How high should an object go so that its potential energy
gain is the same as its kinetic energy when it was moving at 20
m/s?
12. A 2000 kg carriage moves with an initial velocity of 25.0
m/s on horizontal road slides to a stop at a distance of 60.0 M.
(a) Find the work done by the kinetic friction force in the
carriage. (b) Determine the kinetic friction coefficient between
the wheels and the road. Ans: (a)...
11. How high should an object go so that its potential energy
gain is the same as its kinetic energy when it was moving at 20
m/s?
12. A 2000 kg carriage moves with an initial velocity of 25.0
m/s on horizontal road slides to a stop at a distance of 60.0 M.
(a) Find the work done by the kinetic friction force in the
carriage. (b) Determine the kinetic friction coefficient between
the wheels and the road. Ans: (a)...
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