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A 0.06-kglead bullet traveling 274 m/sstrikes an armor plate and comes to a stop. If all of the bullet's energy is converted to heat that it alone absorbs, what is its temperature change?
What is the speed of the block while the spring is till now compressed by xf=0.14m.
A 2 kilogram ball is attached to the end of a 2.5 meter string to form a pendulum. Determine the speed of the ball-block system just after the collision
Find what is the thinnest soap film that will strongly reflect yellow light with a wave length of 589 nm
A 4.0 x 102 N child is in a swing that is attached to a pair of ropes 2.00 m long. Find the child's potential energy when the child is at the lowest point of her circular trajectory
A diver steps off the cliffs at Acapulco, Mexico, 31.6 m above the surface of the water. At that moment, he activates his rocket-powered backpack horizontally, which gives him a constant horizontal acceleration of 5.1 m/s2 however does not affect his..
A certain toaster has a heating element made of Nichrome resistance wire, What is the final temperature of the heating element
Given a wave produced by a simple harmonic oscillator whose displacement in meters is given by the equation [y = 0.3cos(36?t)]
What is the instantaneous power, at a time of 0.00700 seconds, dissipated by a 200 ohm resistor in a resonant AC circuit powered by a generator with a 21.0 V highest potential difference operating at 5000 rad/s .
A body of mass 5.0 kg is suspended by a spring, which stretches 10 cm when the mass is attached. What is its position as a function of time
A dart with mass m moving horizontally imbeds in a target of mass M suspended by a wire of length l and mass u. What is the initial speed of the dart v if immediately after impact the target recoils with angular speed w?
a basball pitcher pitches with a horizontal velocity of 80mph(36m/s) the horizonatal distance from the point of release to home plate is 59ft. what is the intantous linear velocity of the sweet spot at the instant of ball contact
A sealed container has a volume of 0.0030m^3 and contains 30 g of molecular nitrogen which as a mass of 28u. What is the pressure of nitrogen gas
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