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A man ties one end of a strong rope 9.27 m long to the bumper of his truck, 0.509 m from the ground, and the other end to a vertical tree trunk at a height of 3.52 m. He uses the truck to create a tension of 7.62 multiply.gif 102 N in the rope. Compute the magnitude of the torque on the tree due to the tension in the rope, with the base of the tree acting as the reference point.
N · m
What phase difference between two otherwise identical harmonic waves, moving in the same direction along a stretched string, will result in the combined wave having an amplitude 1.4 times that of the amplitude of either of the combining waves? Exp..
Determine the differential equation of motion for the damped oscillations and find the time (in term of M) it takes for the system to settle down to oscillations of only 25% of the initial amplitude; (4')
business equipment for a $5,000 loss, stock investment for a $7,000 loss, and her principal residence for a $16,000 loss. Presuming adequate income, explain how much of these losses may Joan claim on her 2011 return?
High-speed photos of a 200?g flea jumping vertically show that the jump lasts 1.5ms and involves an average vertical acceleration of 110 g, What's the change in the flea's momentum during its jump
two sheets of aluminum foil have a separation of 1.20mm a capacitance of 9.7pF and are charged to 13.0v, the separation is now decreased by 0.10mm with the charge held constant. Find the new capacitance
A small object begins a free-fall from a height of H = 82.5 m at t0 = 0 s. After ? = 2.85 s, a second small object is launched vertically up from the ground with the initial velocity v0 = 40.2 m/s. At what height from the ground will the two objec..
Consider a series RLC circuit where R = 35.0 ?, C = 35.5 ?F, Determine the phase angle of the circuit in degrees
A rifle with a barrel length of 65 cm fires a 9 g bullet with a horizontal speed of 380 m/s. find resistive force does the wood exert on the bullet
A 0.449 kg ice puck, moving east with a speed of 2.91 m/s, has the head-on collision with a 0.846 kg puck initially at rest. Assume a perfectly elastic collision, what will be the speed and direction of each object after the collision.
A skier finds that she must give hersel a push to get started down ski slopes with angles less than 8 degrees. What is the coefficient of static friction between the skis and the snow
You send a beam of light from a material with index of refraction 1.19 into an unkown material. In order to help identify this material, What is the index of refraction of the unknown material
Find the time it takes for a telephone call to go by way of satellite between these cities. Ignore the curvature of the earth.
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