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A heavy-duty stapling gun uses a 0.131-kg metal rod that rams against the staple to eject it. The rod is pushed by a stiff spring called a "ram spring" (k = 31800 N/m). The mass of this spring may be ignored. Squeezing the handle of the gun first compresses the ram spring by 4.22 cm from its unstrained length and then releases it. Assuming that the ram spring is oriented vertically and is still compressed by 1.58 cm when the downward-moving ram hits the staple, find the speed of the ram at the instant of contact.
a car wheel with a diameter of 30 inches has a linear velocity of 30 mph. What is the angular displacement of the car whell during the 10 seconds of acceleration
A mass of 0.8kg is located at the end of a very light and rigid rod 50 cm in length. What is the rotational inertia of the system
A uniform magnetic field passes through a horizontal circular wire loop at an angle 16.2° from the normal to plane of the loop. compute the magnetic flux through the loop
A simple pendulum makes 139 complete oscillations in 3.10 min at a location where g = 9.80 m/s2. Find the length of the pendulum
q1. a guitar string is 75 cm long and has a mass of 3.8 g. from the bridge to the support post l is 60 cm and the
A plank 2.00 cm thick and 15.1 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the board extends 2.00 m horizontally over the sea below. find the shear modulus of the wood
You're an optometrist, mounting a projector at the back of your 4.2m -long exam room, 2.6 m above the floor. At what height should you center the pattern on the wall
A 3 ohm resistor is mounted in parallel with a resistor R=11 ohm , and this combination is connected in series with an 4 ohm resistor and a 12 Volts battery. What is the current through the R resistor? Amp
A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 1.50 m and a mass of 575 kg. Before a trip, Find the kinetic energy stored in the flywheel
Plot the probability distributions for the simple harmonic oscillator's ground state wave functions. Change the parameter that governs the ''width'' of the position distribution and see what happens to the width of the momentum distribution.
Sketch a free-body diagram of the plank. How far can a painter of mass 70.0 kg walk on the overhanging part of the plank before it tips.
An R = 46.1 ? resistor is connected to a C = 43.0 ?F capacitor and to a ?VRMS = 102 V, and f = 108 Hz voltage source. Calculate the power factor when the capacitor is replaced with an L = 0.358 H inductor
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