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A 67 kilogram crate is dragged across a floor by pulling on a rope attached to the crate and inclined 15 degree above the horizontal.
(a) If the coefficient of static friction is 0.48, find what minimum force magnitude is required from the rope to start the crate moving?
N
(b) If µkin = 0.33, find what is the magnitude of the initial acceleration of the crate?
m/s2
An airplane is flying at an altitude of 2500m above the ground when it sees a stranded on a an island 4000m away. If a pilot lets go of a rescue package and it lands on the island, how fast was the plane traveling? what was the final velocity of the..
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A wall is constructed of a 2 inch layer of fiberglass board (R = 8) and six inches of fiberglass batting (R = 19). If the temperature on the outside surface of the fiberglass board is 50degreesF and the temperature on the inside surface of the fiberg..
Each plate of a parallel-plate capacitor is a square of side 0.0375 m and the plates are separated by 0.449 × 10-3 m. Find the electric field strength inside the capacitor
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question1a shopper pushes a cart 49 m south down one aisle and then turns 90.0deg west and moves 16 m. he after that
The distance to a star is approximately 4.2e18 m. If this star were to burn out today, How long does it take for sunlight to reach Jupiter
Two charged dust particles exert a force of 4.20 x 10^-2 N on each other. What would be the force if they are moved so they are only one-eight as far apart.
After a hard rain, you walk out into the parking lot and notice an oil sheen on top of a puddle of water. What is the minimum thickness of the oil
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