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Problem:
A spring of constant k = 100 N/m changs at its natural length from a fixed stand. A mass of 3 kg is hung on the end of the spring, and slowly let down until the spring and mass hang at their new equilibrium position.
Find the value of the quantity x in the figure above.
A solid cylinder ABCD (radius: 0.150 m, height: 0.120 m) has the mass of 7.00 kg. How much of the height of the cylinder is in the oil
Suppose that in each case above you were to place a small paper screen at the image location. What you would see on the screen in each case? Imagine that the room is dark except for the small bulb.
Two solid spheres, each of mass m, are rolling without slipping with a speed v. If the spheres have radii R1 and R2 with R1/R2 = 5.5, what is the ratio of their kinetic energies
for an electron in a molecular box of length 1.2 nma. calculate the zero-point energy zpe.b. calculate the wavelength
A ball player hits a home run,and the baseball just clears a wall 8.00 m high located124.0 m fromhome plate. The ball is hit at an angle of 39.1? to the horizontal, andair resistance is negligible.
A collision between two protons produces three new particles: p + p --->p + + + 0 + 0. The rest energies of the new particles are + (139.6 MeV), 0 (1116 MeV), 0 (497.7 MeV). Note that one proton disappears during the reaction. How much of the protons..
Electromagnetic waves of wavelength 0.173nm fall on a crystal surface. What is the distance between the crystal planes
An ac source is connected to a resistor R = 75?, an inductor L = 0.01 H, and a capacitor C = 4 ?F. What is the phase difference ? between the voltage of the source and the current in the circuit when the frequency of the source is equal to half the r..
A U-shaped tube open to the air at both ends contains some mercury. Calculate the vertical distance h from the top of the mercury in the right-hand arm of the tube to the top of the water in the left-hand arm
a particle has a velocity u 0.59c in the labortory. the laboratory is itself moving with velocity v 0.81c relative to
A 12.6 V battery is in series with a resistance of 0.377 and an inductor. What's the voltage drop across the inductor at this time
question a small block of mass m is given and initial speed vo up a ramp inclined at angle theta to the horizontal. it
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