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To test the quality of a tennis ball, you drop it onto the floor from a height of 4.00 m. It rebounds to a height of 2.00 m. Suppose the ball is in contact with the floor for 12.5 ms.
What is the magnitude of its average acceleration during the contact with the floor?
Two in-phase loudspeakers are some distance apart. They emit sound with a frequency of 1 kHz. What beat frequency do you observe
1.calculate the orbital radius of the hydrogen atom for the second principal quantum number.2.calculate the orbital
The magnetic flux through a coil of wire containing two loops changes from -41 Wb to +16 Wb on 0.35 s, What is the emf induced in the coil
Two charged particles with different speeds move one at a time through a region of uniform magnetic field. Find the ratio of the speeds
Light is incident normally on the largest face of an isosceles-right-triangle prism. What is the speed of light in this prism
A cylindrical log of uniform density and radius R = 30.0 cm floats so that the vertical distance from the water line to the top of the log is d = 12.0 cm
You're standing in waist-deep water with your eyes 0.44 m above the surface. A fish is swimming 0.55 m below the surface. How far (horizontally) from you is the fish
A metal container, which has a mass of 9.4kg contains 18kg of water. A 1.8 kg piece of the same metal, initially at a temperature of 200°C, is dropped into the water. The container and the water initially have a temperature of 14.1°C and the final..
A proton is initially at rest at a point where the potential is 515V. Sometime later the proton is at a point where the potential is 190V. If no force other than the electrostatic force acts on the proton, what is its final kinetic energy.
A 1.00 Kg ball is shot out of a cannon inclined at 40 degrees, by a spring initially compressed by 0.500 m. Where does the ball land relative to the cannon
You are now studying a length of wire that has been coiled up to create a circular coil of 4 turns all arranged compactly, The loop has radius of 0.0240 m and a current of 49.5 A, What is the strength of the magnetic field at the center of the loop
A 220 g block is attached to a horizontal spring and executes simple harmonic motion with a period of 0.150 s. If the total energy of the system is 3.50 J.
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