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A rocket ship of proper length l0 trav- els at constant speed v in the x-direction relative to a frame S. The nose of the ship passes the point x = 0 (in S) at time t = 0, and at this event a light signal is sent from the nose of the ship to the rear.
(a) Draw a space- time diagram showing the worldlines of the nose and rear of the ship and the photon in S.
(b) When does the signal get to the rear of the ship in S?
(c) When does the rear of the ship pass x = 0 in S?
A 30 kg launching machine fires a 250 gram projectile horizontally at 100 m/s. What was the momentum of the machine
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The radioactive hydrogen isotope 3H is calledtritium. It has beta-minus decay and a daughter necleus of 3He. What is the time constant for tritium
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A 100-? resistor, an inductor and a 3.0-µF capacitor are connected in series with a time varying emf of 10.0 V and frequency 1000 Hz. What is the inductance of the inductor
You have a string with a mass of 0.0129 kg. You stretch the string with a force of 9.67 N, giving it a length of 1.95 m. What is the wavelength of the standing wave you create in the string
Answers for an elevator are moving down with an acceleration of 3.360 m/s. what would be the apparent weight of a 64.20 kg man in the elevator.
A highway curve has a radius of .58 km and is unbanked. A car weighing 36 kN goes around the curve at a speed of 36 m/s without slipping
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A ball is thrown from a rooftop with an initial downward velocity of magnitude vo = 5.8 m/s. The rooftop is a distance above the ground, h = 43 m.
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