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A guitar string is under a tension of T = 198N. The string has a mass of m = 99g and length L. When the string is plucked the sound travels at V = 498 m/s. What is the length of the string in m?
Two pucks collide on an air hockey table. Puck A has a mass of 30 g and is initially traveling in the +x direction at 6.0 m/s. Calculate puck A's final speed
A pulsar is a rapidly rotating neutron star that continuously emits a beam of radio waves in a searchlight manner. Each time the pulsar makes one revolution, the rotation beam sweeps across the earth, & the earth receives a pulse of radio waves. ..
A mass attached to a spring stretches 2.5 cm from equallibrium. What is the angular frequency of the oscillation
Which of the following must be true if we are to infer (calculate) a star's luminosity directly from the inverse square law for light.
A space probe accelerated uniformly from 50 m/s at t = 0 to 150 m/s at t = 10 sec. How far did it move between t = 2.0 sec and t = 6.0 sec
An unstable particle having mass of 5.00x10^-27 kg is initially at rest. Find the rest masses of the fragments
Clifford is in a real hurry, however, and skips the speedramp. Starting from rest with an acceleration of 0.39 m/s2, he covers the same distance as the ramp does, but in one-fourth the time. Illustrate what is the speed at which the belt of the ra..
An electric dipole consisting of charges of magnitude 1.90 nC separated by 7.00 µm is in an electric field of strength 1190 N/C, find the difference between the potential energies for dipole orientations parallel
A Dodge Caravan has a speed of 50 mph and an acceleration of 2 mph second. A Ford Taurus has a speed of 55 mph and an acceleration of 1 (mph) per second. Which car has the higher speed after 10 seconds have elapsed?
About the axis of the rod.ωA ball of mass m is attached by two strings to a vertical rod. The entire system rotates at constant angular velocity.
A converging lens with a focal length f1 = 4cm is placed to the left of a second identical lens f2. What is the separation distance between the two lenses
A 1200 kg car pushes a 2200 kg truck that has a dead battery . When the driver stes on he accelerator, What is the magnitude of the force of the car on the truck
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