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An archer pulls her bow string back 0.380 m by exerting a force that increases uniformly from zero to 219 N. What is the equivalent spring constant of the bow? How much work is done in pulling the bow?
A uniform disk of radius R and mass M is mounted on an axle supported in fixed frictionless bearings. find the angular acceleration and tangential acceleration
A 3kg object moving along the positive x direction with a speed of 10m/s exploeds into a 2kg and a 1kg fragments. what is the speed of the 2kg fragment?
A 0.015 kg bullet traveling horizontally at 400.2 m/s strikes a 4.1 kg block of wood sitting at the edge of a table. The bullet is lodged into the wood. If the table height is 1.2 m, how far from the table does the block hit the floor.
A heat engine with a thermal e?ciency of 37% does 175J of work per cycle. How much heat is extracted from the hot reservoir per cycle
In a serve, a tennis player hits the ball horizontally. Neglect the effects of air resistance and the diameter of the ball. Where will the ball land if it just clears the net
Block A of mass 3 kg slides into block B of mass 2 kg. Before collision, block A moves to the right with speed 10 m/s and block B is stationary, what is the kinetic energy change for the system
An argon-ion laser produces a cylindrical beam of light whose average power is 0.662 W. How much energy is contained in a 1.88-m length of the beam
Aluminum has a density of 2.70 g/cm3. We would like to make aluminum foil that is 96 micrometer thick, how many meters long of an aluminum foil can we make
A series RLC circuit contains the following components: R = 3.00 102 ?, L = 3.50 102 mH, C = 5.00 µF, and a generator with ?Vmax = 2.20 102 V operating at 80 Hz. Calculate the individual maximum voltages across the resistor, inductor
A vibrating string has a fundamental frequency of 225 Hz. What is the new value of the fundamental frequency
A laser with wavelength 650 nm is incident on a single slit with width 10 mm. A screen is placed 1 m beyond the slit. How far apart will the first dark bands on either side of the central maximum be?
In an RLC circuit, the resistance is 10. ohms, the capacitive reactance is 30. ohms, and the inductive reactance is 50. Ohms. What is the circuit impedance
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