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A ball of mass 0.60 kg is fired with velocity 140 m/s into the barrel of a spring gun of mass 2.5 kg initially at rest on a frictionless surface. The ball sticks in the barrel at the point of maximum compression of the spring. No energy is lost to friction. What fraction of the ball's initial kinetic energy is stored in the spring?
A bar magnet is oriented with its magnetic dipole moment at 39.5° to the direction of a 0.0689-T magnetic field, causing a torque of 0.00351 N·m to act on it
Light from a laser beam with a wavelength of 600 nm passes through a narrow single slit and observed on a screen 1.5 m behind the slit. How wide is the slit
Two vehicles are approaching an intersection. One is a 2450-kg pickup traveling at 13.8 m/s from east to west (the ?x-direction), What are the magnitude and direction of the net momentum
A car drives straight off the edge of a cliff that is 47.00m high. The police at the scene of the accident observed that the point of impact is 122 m from the base of the cliff. How fast was the car travelling when it went over the cliff.
A cannonball is launched from ground level and lands at ground level. If it is launched with a speed of 76.2 m/s and stays in the air for 6.4 s, What angle was the cannon shot at
what is the emf generated in the square loop as it is moved to the right in 0.2s out of the 0.8 T magnetic field? what is the intensity of the wave
calculate the mass and density of methane gas contained at 1000 psia and 68 degrees Farenheit in a cylinder with volume 3.20 cu ft
A constant force of 46.3 N, directed at 28.7o from horizontal, pulls a mass of 14.7 kg horizontally a distance of 3.09 m
Determine magnitude of the force from the ground on each front wheel. what is magnitude of the duck's velocity.
A uniform rod of length 0.790 m and mass 14.50 kg is balanced on a sharp edge at 0.650 m from the left end. At the left end hangs a mass of 45-kg and the right end hangs an unknown mass so that the whole assembly is in equilibrium.
The left ventricle of the heart accelerates blood from rest to a velocity of + 25.9 cm/s, How much time does blood take to reach its final velocity
An AC generator supplies an rms voltage of 240 V at 60.0 Hz. It is connected in series with a 0.450 H inductor, a 3.90 ?F capacitor and a 316 ? resistor, What is the rms current through the resistor
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