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A 17.00{\rm kg} lead sphere is hanging from a hook by a thin wire 3.30{\rm m} long, and is free to swing in a complete circle. Suddenly it is struck horizontally by a 5.00{\rm kg} steel dart that embeds itself in the lead sphere
What must be the minimum initial speed of the dart so that the combination makes a complete circular loop after the collision?
A photon having E = 12.5 keV energy scatters from a free electron inside a metal. At which angle will the electron scatter
What is the density of Kripton gas at standard temperature and pressure? The atomic mass of Kripton is 83.80 atomic mass unit
If there are two point along the x-axis, positive q to the right and -q to the left of the orgin. Both with the distance a/2 from the orgin, Find the electric field at that point without using derivatives
Starting with the three particle system, find the change in electric potential energy if the alpha particle is allowed to escape to infinity while the two protons remain fixed in place. (Throughout, neglect any radiation effects.)
A 2.0-nF parallel plate capacitor with a sheet of mylar (k = 3.1) filling the space between the plates is connected to a 90 V battery. Determine the change in the charge on one of the plates
A bowling ball (mass = 7.2 kg, radius = 0.15 m) and a billiard ball (mass = 0.32 kg, radius = 0.028 m) may each be treated as uniform spheres. What is the magnitude of the maximum gravitational force that each can exert on the other?
A charge of -2.95 µC is fixed at the center of a compass, What are the magnitude and direction of the net electrostatic force acting on the charge at the center
A baseball is hit at an angle of 60° above the horizontal with a speed of 40 m/s. There is a 15 m high fence located at 120 m from the batter. How high is the ball at its highest point
A space vehicle is coasting at a constant velocity of 28.5 m/s in the +y direction relative to a space station. The pilot of the vehicle fires a RCS (reaction control system) thruster, which causes it to accelerate at 0.523 m/s2 in the +x direction.
Suppose 2.5 mol of an ideal gas is taken from a 6m3 to a volume of 3 m3 via an isothermal compression at 30 0C. Find work done during the compression
A coil of wire, initially carrying no current, has a current of 10 A established in .4 seconds. Determine the self-inductance of the coil
A series RLC circuit has components with the following values: L = 18.0 mH, C = 90.0 nF, R = 10.0 ?, and ?Vmax = 100 V, with ?v = ?Vmax sin ?t. Find the resonant frequency of the circuit
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