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A 280-kg cylindrical piece of concrete pipe 1.0 m in diameter, 1.3 m long, and 3 cm thick is rolling toward you at a speed of 5 m/s. What is its approximate rotational angular momentum? (magnitude and direction).
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Question: You pull a simple pendulum of length 0.240m to the side through an angle of 3.50degree and release it. a) how much time does it take the pendulum bob to reach its highest speed? b) how much time does it take if ...
Question: A simple pendulum consisting of a mass m attached to a massless string of length L is performing harmonic oscillations for small angles. Determine the period T in terms of L and the gravitational acceleration c ...
Question: A parallel-plate capacitor is formed from two 1.5 cm -diameter electrodes spaced 2.1 mm apart. The electric field strength inside the capacitor is 1.0 Ã-10 6 N/C. What is the charge (in nC) on each electrode? ...
Question: A proton has been accelerated from rest through a potential difference of -1350 V. What is the proton's kinetic energy, in electron volts? What is the proton's kinetic energy, in joules? What is the proton's sp ...
Question: An object of mass m is traveling on a horizontal surface. There is a coefficient of kinetic friction µ between the object and the surface. The object has speed v when it reaches x=0 and encounters a spring. Th ...
Question: A physics student on Planet Exidor throws a ball, and it follows the parabolic trajectory shown in the figure. The ball's position is shown at 1.0 s intervals until t = 3.0 s. At t = 1.0 s, the ball's velocity ...
Question: A solenoid 4.00 cm in diameter and10.0 cm long has 500 turns and carries a current of 15.0 A. Calculate the magnetic flux through the circular cross-sectional area of the solenoid. The response must be typed, s ...
A 0.0260 kg bullet moving horizontally at 400 m/s embeds itself into an initially stationary 0.500 kg block. What is their velocity just after the collision? The bullet-embedded block slides 8.0 m on a horizontal surface ...
Question: A plastic rod that has been charged to -15 nC touches a metalsphere. Afterward, the rod's charge is -10 nC. a. What kind of charged particle was transferred between the rodand the sphere, and in which direction ...
Question: A skier is accelerating down a 30.0 degree hill at 1.80 m/s2. What is the vertical component of her acceleration? How long will it take her to reach the bottom of the hill, assuming she starts from rest and acc ...
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