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A 47.75 kg crate slides down a 53.13* slope (inclined plane) that is 36.00 m in length and has a kinetic friction coefficient of 0.444. The create is given a downward speed of only 4.5 m/s as it starts down from the top of the slope. Applying the principle of the conservation of mechanical energy in the presence of dissipative forces, determine its final speed as it reaches the bottom of the slope.
Determine how far the airplane ends up
An inclined plane of angle ? = 20.0° has a spring of force constant k = 495 N/m fastened securely at the bottom so that the spring is parallel to the surface as shown in the figure below. A block of mass m = 2.39 kg is placed on the plane at a dis..
An airplane pilot fell 355 m after jumping from an aircraft without his parachute opening. He landed in a snowbank, creating a crater 1.3 m deep, estimate the work done on him by air resistance as he fell
A homogeneous right wedge of mass M, horizontal length L and height H rests on a horizontal plane, with the side L on the plane. Find the position of the center of mass of the wedge
A subway train has a sound intensity level of 90 dB, and a boiler shop has a sound intensity level of 100 dB. How many times greater is the new sound intensity of the shop than that of the train?
q1. a person whose eyes are h 1.64 m above the floor stands l 2.3 m in front of a vertical plane mirror whose bottom
Starting from the definition of the spherical harmonics in terms of Legendre polynomials, derive Y30(θ,φ), Y31(θ,φ), and Y32(θ,φ). Write down the differential operators corresponding to the L2 and Lz operators in spherical coordinates.
Multiple-Concept Example 6 reviews the concepts that play a role in this problem. A diver springs upward with an initial speed of 1.89 m/s from a 3.0-m board. Find the velocity with which he strikes the water
A 0.141 kilogram glider is moving to the right on a frictionless, horizontal air track with a speed of 0.850 m/s. Compute the magnitude of the final velocity of the 0.309 kg glider
A 0.80 meter Aluminum bar is held with its length parallel to the east-west direction and dropped from a bridge. Find the magnitude of the horizontal component of the earth's magnetic field
A coin rests 14.0 cm from the center of a turntable. The coefficient of static friction between the coin and turntable surface is 0.440. what is the angular velocity of the turntable
How fast is the electron traveling when it strikes the screen in m/s? How much kinetic energy, in joules, does the electron have when it strikes the screen?
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