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A spring has a spring constant of 578N/m. When used tosuspend an object in the air, the spring stretches by0.0640m. When used to suspend the same object in water, thestring stretches by 0.0520m
(a) What buoyant force acts onthe object?
(b) What is the volume of the part of the objectthat is under water?
A quantity of a monatomic ideal gas undergoes a process in which its pressure is increased by a factor of n = 4, What is the heat absorbed by the gas during this process
Initially, the translational rms speed of a molecule of an ideal gas is 464 m/s. find the final translational rms speed of the molecules
A block of mass m = 2.0 kg attached to a spring with spring constant k on a frictionless surface. The block is pushed to the left to position x = -0.5 m and, at time t = 0, it is released from rest and starts oscillating with a period of 2.0 s.
A billiard ball (the 8-ball) rests directly in front of the side pocket. Pool-hand Peta calls the shot into the side pocket to the right and shoots it in. Find the angle between that velocity vector and the right
A 370-kg sailboat has an acceleration of 0.87 m/s2 at an angle of 64° north of east. Find the magnitude and direction of the net force that acts on the sailboat.
An excited electron in Na atom emits radiation at a wavelength 589nm and returns to the ground state. If the mean time for the transition is 20ns, ineherent width in the emission line.
An electron moves in a circular path perpendicular to a magnetic field of magnitude 0.225 T, find the radius of the circular path
A charged particle is injected at 215 m/s into a 0.0739-T uniform magnetic magnetic field perpendicularly to the field. What is the charge-to-mass ratio of this particle
A 418 Hz sound wave travels through a substance. The wavelength of the sound wave is measured to be 1.7 meters
A circular coil with one turn is in a perpendicular (time dependent) magnetic field given by B = 1.400 - 0.0500 t Tesla, where time t is in seconds. Calculate the radius of the coil
A metal rod with a length of 22.0cm lies in the xy-plane and makes an angle of 37.9 degrees with the positive x-axis, What is the magnitude of the emf induced in the rod
A car travelling 92 {rm km/h} is 150 {rm m} behind a truck travelling 80 {rm km/h}. How long will it take the car to catch the truck.
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