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A skier traveling 12.0m/s reaches the foot of a steady upward18.0 degree incline and glides 12.2m up along this slope beforecoming to rest. What was the average coefficient of friction?
An electron (mass=9.1*10^-31 kg) is bound in a finite 1D square well w/ a width of 1.0 nm and a depth of 0.30 eV. How many bound states are there? (Please provide steps and not just an answer).
in a single slit experiment, the distance between two dark fringes of the second order is 10 cm on a screen which is 1.5 m away. find the width of the slit
In 1974, physicist Gerard K. O'Neil proposed a cylindrical space station that would rotate about its central axis to simulate gravity along the outer surfaces
the coefficient of static friction is 0.26. If you apply the minimum force needed to get the refrigerator to move, illustrate what will the acceleration then be?
A rock is thrown vertically upward with a speed of 14.0 . Exactly 1.00 later, a ball is thrown up vertically along the same path with a speed of 21.0
Popitronium is a hydrogen atom with the proton replaced by a positron (like electron, but w/ positive charge). Calculate E1 for popitronium.
A person in a boat sees a ?sh in the water of index 1.33 at an angle of 54 degrees relative to the water's surface. What is the true angle relative to the water's surface
A 0.635 [m] long guitar string is vibrating at its second harmonic frequency of 490 [Hz]. What is the wavelength of transverse waves on the string
A 29 kg sled starts from rest at the top of a frictionless hill inclined at an angle of 20 degrees to the horizontal. find the normal force on the sled due to the hill
A small sphere with mass 1.20 hangs by a thread between two large parallel vertical plates 5apart. The plates are insulating and have uniform surface charge densities and. The charge on the sphere is = 8.80×10-6.
Water flowing through a 1.8cm-diameter pipe can fill a 300L bathtub in 6.4 min. What is The speed of the water in m/s
The British gold sovereign coin is an alloy of gold and copper having a total mass of 7.988 g, and is 22-karat gold. Calculate the density of the British sovereign coin
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