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A bullet is fired through a board 14.0 cm thick With its line of motion perpendicular to the face of the board. If it enters with a speed of 450 m/s and emerges with a speed of 220 m/s, what is the bullets acceleration as it passes through the board?
What is the kinetic energy
What is the terminal speed at which the bar falls? Imagine the bar remains horizontal and in contact with the rods at all times.
A car of mass m = 1190 kg is traveling down a ? = 14 degree incline. When the car's speed is v0 = 18 m/s, Calculate the distance the car travels down the hill L in meters until it comes to a stop at the end
The classical picture of the hydrogen atom has a single electron in orbit a distance 0.0529nm from the proton. Calculate the electric potential associated with the proton's electric field at this distance.
A point charge q = -2.4 nC is initially at rest adjacent to the negative plate of a capacitor, What is the kinetic energy of the point charge just before it hits the positive plate
A 1 kg mass (initially at rest) compresses a spring (spring constant 2500 N/m) by 0.2 m, and is released. What is the maximum height achieved by the two masses
A mass system with a spring constant of 66.0 N/m undergoes simple harmonic motion with a period of 0.628 s. what is the total energy of the oscillation
Consider three point charges located at the corners (points 1, 2, and 3) of a right triangle with sides "a", where q1 is located at corner 1, q2 at corner 2, and q3 at corner 3, Find the resultant force exerted on q3
A pipe of diameter 6.5 cm carries water without turbulence. The velocity of the water is 15.3 cm/s. What is the velocity of the water at this point
A board is 6 meters long. The center of mass is in the 2 meters from the left end. The board has a weight of 320 Newton's. How much force in Newtons is necessary to lift the right end while the other end stays on the ground.
A rod of length 0.850 m is attached to a pivot at one end. A force F of 2.30 N is applied to the end of the bar opposite the pivot. The force makes an angle of 65.0o with the bar. (The ? in the figure is the angle for the "line of action" of the f..
A fuel pump sends gasoline from a car's fuel tank to the engine at a rate of 6.44 10-2 kg/s. What is the speed at which the gasoline moves through the fuel line
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