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A disk and a hoop of the same mass and radius are released at the same time at the top of an inclined plane. The height of the incline is 0.86m. Calculate the speed of the disk at the bottom of the inclined plane. Calculate the speed of the hoop at the bottom of the inclined plane.
the bond length of hf is 91 x 10-12 m.a where does the axis of rotation intersect the molecular axis?b calculate the
Two astronauts on opposite ends of a space ship are comparing lunches. One has an apple, the other has an orange. What is the final speed and direction of the apple in this case
A 1100 kg cannon, which fires a 50 kg shell witha speed of 506 m/s relative to the muzzle, is set at anelevation angle of 39° above the horizontal. At what angle with the ground is the shell projected
calculate the terminal velocity of a 1.0 cm bug. assume that the density of the bug is 1.0 gcm3.and the bug is
An atom is ionized so that it has only one electron. When the electron drops from the n = 4 shell to the n = 1 shell, an X-ray of wavelength 155.61 pm is emitted. What is the atomic number
Rotates a 1.00 kg discus along a circular path of radius 1.04 m. The maximum speed of the discus is 17.0 m/s. Find out the magnitude of the maximum radial acceleration of the discus.
Sean climbs a tower that is 84.7 m high to make a jump with a parachute. what is the potential energy of Sean
How long will it take until the sun has used up all the hydrogen atoms in the core (the central 10%)? That is, what is the main-sequence lifetime of the sun and compare the lifetime of the sun to the current age.
A pipe open only at one end has a fundamental frequency of 282Hz. A second pipe, initially identical to first pipe, is shortened by cutting off a portion of the open end.
a 70.0-kg person stands on a scale in an elevator. what is the apparent weight in each of the following situations?a
An electron has a kinetic energy of 2.3*10-17 J. It moves on acircular path that is perpendicular to a uniformed magnetic fieldof magnitude 4.9*10 -5 T. Determine the radius of the path
A box slides down a frictionless 6.02 m high hill, starting from rest. How far from the bottom of the hill does the box come to rest
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