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A 30-m-long rocket train car is travelling from Los Angeles to New York at 0.8c when a light at the center of the car flashes. When the light reaches the front of the car, it immediately rings a bell. Light reaching the back of the car immediately sounds a siren.
1. Are the bell and siren simultaneous events for a bicyclist waiting to cross the tracks? If not, by how much time?
2. Are the bell and siren simultaneous events for a passenger seated in the car? If not, by how much time?
Apollo 14 astronaut Alan B. Shepard Jr. used an improvised six-iron to strike two golf balls while on the Fra Mauro region of the moon's surface, What is the numeric value of the ratio
You set up an experiment with two polarizer screens on an optical bench, What is the ambient light in the room as you took your data
While in orbit about the Earth, a space shuttle's mass is 50,000 kilogram and its speed is 8km/s. Estimate what is its kinetic energy
An observer moving toward Earth with a speed of 0.96 notices that it takes 5.2 for a person to fill her car with gas. Assume, in its place, that the observer had been moving away from Earth with a speed of 0.80.
The magnetic flux through each loop of a 75-loop coil is given by (8.8t-0.5It^3) Tm2 where the time is in seconds. Determine the induced emf as a function of time
Air is streaming horizontally past a small airplanes wings such that the speed is 50m/s over the top surface and 30 m/s past the bottom surface. the plane has a mass of 300 kg and a total wing area of 5 m^2(both wings).
a particle with charge q is traveling with velocity v parallel to the wire with a uniform linear charge distribution
A constant force of 15 Newton in the negative y direction acts on a particle as it moves from the origin to the point (3i+3j-1k)m. Find how much work is done by the given force during this displacement
A 390 g glass coffee cup is at a room temperature of 20?C. It is then plunged into hot dishwater at 80 ?C. how much heat does the cup absorb
The top string of a guitar has a fundamental frequency of340 Hz when it is allowed to vibrate as a whole, along all its 60.0 cm length from the neck to the bridge. A fret is provided for limiting vibration to now the lower two thirds of the string.
An ideal gas in a cylinder is compressed adiabatically to one half its original volumes. Obtain how much energy is transferred into or out of the gas by heat in this process
three charges are fixed in the x-y plane as follows 1.7nc at the origin 00 2.2nc at 0.65m 0 -1.8nc at 01.60m. find the
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