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In the diagram below, an external force is applied to a mass of 8.60 kg, which is at rest. The coefficient of static friction between the mass and the surface is μs = 0.200. What is the smallest force that is able to move the block?
A 15kg crate is moved along a horizontal floor by pulling on it with a rope that makes a 30 degree angle with the horizontal. The tension in the rope is 200N and the crate slides a distance of 10m.
.250 kg ball is dropped to the floor from a height of 1.0 m and upon rebounding, reaches a height of .60 m. What is the impulse delivered to the ball by the floor?
A 7 g bullet collides horizonally with a 43 g block resting on a frictionless horizontal surface as shown in the accompany diagram. The bullet remain embedded in the block and subsequently causes the block to slide down a frictionless slope onto a..
A shot-putter puts a shot (weight = 71.1 Newton) that leaves his hand at a distance of 1.52 meter above the ground. Determine the work done by the gravitational force when the shot has risen to a height of 2.13 meter above the ground
As observed on earth, a certain type of bacteria is known to double in number every 22.9 hours. Two cultures of these bacteria are prepared, how many bacteria are in the culture on the rocket
A laser beam enters a 10.5 cm thick glass window at an angle of 68.0° from the normal. The index of refraction of the glass is 1.44. At what angle from the normal does the beam travel during the glass?
suppose 5.00 g of hydrogen is separated into electrons and protons. suppose also the protons are placed at the earths
a 100.0 m long rod with a diameter of 3.0 mm has a charge of 1028 c. what is the approximate electric field 4 mm from
A 20.00kg sled is being pulled across a horzontal surface at a constant velocity. Determine the kinetic frictional force
A small plastic sphere with a charge of -5.0 nC is near another small plastic sphere with a charge of -15 nC, what is the distance between the spheres
The pilot of an airplane notes that the compass indicates a heading due west. Find the velocity of the airplane relative to the ground
The human reaction at operating a stop watch
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