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A solid bowling ball with a radius of 10.9 cm and a mass of 7.1 kg rolls along a bowling alley at a linear speed of 3.0 m/s.
What is its translational kinetic energy?
What is its rotational kinetic energy?
Fortunately our environment radiates too. The human body absorbs this radiation with an absorbance of 97.0 percent, How much energy does our body lose in one second
Light of wavelength 189 nm shines on a metal surface. 3.94 eV is required to eject an electron. What is the cutoff wavelength for this metal
How many drops of water are in all the oceans on earth? Assume that contains 25 drops of water. Remember that this is an order-of-magnitude problem, so you should expect that you will only find rough estimates for the numbers you require.
Two point charges, +3.75 µC and -6.05 µC, are separated by 1.21 m. What is the electric potential midway between them
A ski starts from rest and slides down a 22° incline 75 m long. If the coefficient of friction is 0.09, what is the ski's speed at the base of the incline? If there is snow level at foot of the incline and it has the same coefficient of friction, ..
At what angle to the surface must a submerged diver in the lake look toward the surface to see the setting sun just along horizon.
67.34 J of heat are removed from a gas sample while it is being compressed by a piston that does 62.39 J of work
A bix of mass 90 kg is sitting on the floor. The tension in the rope is 56.0N, Calculate the accleration on the box
Two rectangular pieces of plane glass are laid one upon the other on a table. A thin strip of paper is placed between them at one edge, Find the angle of the wedge
A wire loop of radius 0.3 m lies so that an external magnetic field of magnitude 0.30T is perpendicular to the loop. The filed reverses its direction, and its magnitude changes to 0.20T in 1.5s. Find out the magnitude of the average induced emf in..
A bunch of grapes is placed in a spring scale at a supermarket. The grapes oscillate up and down with a period of 0.64s, What is the mass of the grapes
An airplane needs to reach a velocity of 402km/h to take off. On a 2000 m runway, what is the minimum acceleration necessary for the plane to take flight.
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