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Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. The sticks are uniform and are identical in all respects, except that one is made of wood (mass=0.25 kg) and the other of metal (mass=0.65 kg) They are set into oscillation and execute simple harmonic motion. Determine the period of
(a) the wood pendulum and
(b) the metal pendulum.
A projectile is launched from a high plateau so that it just clears a cliff's edge and falls to the valley floor below. How far from the cliff's edge was the projectile launched
A horizontal 790-N merry-go-round of radius 1.20 m is started from rest by a constant horizontal force of 45 N, Find the kinetic energy of the merry-go-round after 5.0 s
The pressure in a vessel containing methane and water at 70°C is 10 atm. Estimate the mole fraction of methane in the liquid
A beam of nuclei is used for cancer therapy. Each nucleus has an energy of 108 MeV, How many nuclei are in the beam
how to compute the fraction of silver in the crown.
A 0.69 cm high object generates an image that is 0.8 cm high. The lens has a focal length of 7 cm, Find the image and object distances
Evaluate the magnitude and direction of the friction force (assumed constant) that acts on the bullet.
An 8.70 block slides with an initial speed of 1.56 down a ramp inclined at the angle of 23.6 with the horizontal. The coefficient of kinetic friction between the block and the ramp is 0.69.
A television set connected to a 121 V outlet consumes 88 W of power. How long does it take for 10 million electrons to pass through the television.
You are walking around your neighborhood and you see a child on top of a roof of a building kick a soccer ball, How tall is the building that the child is standing on
Suppose that an electron trapped in a one-dimensional infinite well of width 322 pm is excited from its first excited state to the state with n = 5. What energy (in eV) must be transferred to the electron for this quantum jump
You're an optometrist, mounting a projector at the back of your 4.2m -long exam room, 2.6 m above the floor. At what height should you center the pattern on the wall
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