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A pendulum consists of a mass m = 0.120 kg hangingfrom a flexible string of length L. The string is very thin, verylight, and doesn't stretch much. It makes small oscillations, witha period of 0.540 s. Find the oscillation frequency of the pendulum. Neglect any air resistance.
A billiard ball strikes and rebounds from the cushion of a pool table perpendicularly. The mass of the ball is 0.38 kg. What is the average net force (magnitude and direction) exerted on the ball by the cushion
A 10.0 kg object starting from rest falls through a viscous medium and experiences a resistive force R = - b v, Find the terminal speed of the object
A cart of mass M = 1.2 kg can roll without friction on a level track. A light string draped over a light, frictionless pulley connects the cart to a hanger with mass m = 0.5 kg. The cart is released from rest, allowing it to roll, pulled by falling h..
An object with a height of 4.0 cm is placed 30.0 cm from a lens. The resulting inverted image has a height of 1.5 cm. What is the focal length of the lens
A wire 3.00 m long and 0.450 mm2 in cross-sectional area has a resistance of 39 at 20°C. what is the temperature coefficient of resistivity
A series RLC circuit has R = 35 ohms, L = 2.7 microhenries, and C = 52 nanofarads. what is the average power dissipated by the circuit
Show that when a nucleus decays by decay, the totalenergy released is equal to (Mp -Md -2Me) where Mp and Md are the masses of the parentand daughter atoms (neutral), and Me is the mass of anelectron or positron. Why is the electron massdoubled
An electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive plate, What is the kinetic energy of the electron just as it reaches the positive plate
a student m 75 kg falls freely from rest and strikes the ground. during collision with the ground he comes to rest in a
A simple harmonic oscillator is undergoing oscillations with an amplitude A. How far is it from its equilibrium position when the kinetic and potential energies are equal?
An airplane, traveling at a constant speed of 50 m/s, is executing a horizontal turn. if the plane is banked at theta = degrees, when the pilot experiences only a normal force on the seat of the plane, determine the radius of curvature of p of the tu..
Which is safer as a road material
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