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A 30-m-long rocket train car is traveling from Los Angeles to NewYork at 0.5c when a light at the center of the car flashes. Whenthe light reaches the front of the car, it immediately rings abell. Light reaching the back of the car immediately sounds asiren.
a. Are the bell and siren simultaneous events for a passengerseated in the car? If not, which which occurs first and by how muchtime?
b. Are the bell and siren simultaneous events for a bicyclist waiting to cross the tracks? If not, which which occurs first and by how much time?
A kite is hovering over the ground at the end of a straight 44-m line. The tension in the line has a magnitude of 15 N. Find the height of the kite
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Suppose two identical spheres are insulated: sphere A carries +3.54Q and sphere B carries -20.2Q, What is the charge on sphere A now
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One end of a copper rod is in thermal contact with a hot reservoir at 995 K, Find the entropy change of cooler reservoir
a very thin circular disk of radius r 13.00 cm has charge q 20.00 mc uniformly distributed on its surface. the disk
The electric field everywhere on the surface of a charged sphere ofradius 0.300 m has a magnitudeof 520 N/C and points radiallyoutward from the center of the sphere.
If he struck a ball with the a speed and launch angle that would result in a maximum 120m horizontal range on Earth, how far would it go?
A typical car battery is composed of six, 2.1 V cells arranged in series to have an Emf of 12.6 V. How many electrons pass through the starter motor
two circular loops are centered on the x-axis parallel to the yz-plane. the smaller loop is stationary with radius r
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