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Question: A woman on a rocket traveling at 0.35c (with respect to Earth) observes a meteor come from in front of her and pass her at 0.62c. How fast is the meteor moving with respect to Earth?
In the measurement of length of a cylinder, the main scale reading of a vernier caliper is 1.5 cm, Find the reading of the length of the cylinder
A 330g airtrack cart on a horizontal air track is attached to a string that goes over a pulley with a moment of inertia of 5.00*10^-6 kg*m^2 and a radius of 1.35 cm. Write newtons second law for each of the three objects
A bomb at rest explodes, breaking into three pieces. Two of the pieces have equal mass and fly off at 60° to one another with the speed of 100 m/s. What are the magnitude and the direction of the third piece
Looking out the window of a train you observe the passengers on a second train moving in the opposite direction at a constant velocity. determines which of the two trains is actually moving
As part of the safety investigation, two 1400 {rm kg} cars travelling at 23 {rm m/s} are crashed into different barriers. Find the average forces exerted on (a) car that hits a line of water barrels and takes 1.7 {rm s} to stop, and (b) car that hits..
A radio galaxy has an angular extent of 2°, and the associated optical galaxy has its spectral lines redshifted by 15% of their rest wavelength
A flat sheet of ice has a thickness of 2.0cm. It is on top of a flat sheet of crystalline quartz thathas a thickness of 1.1cm. How far (in cm) would it have to travel invacuum
A particle with positive charge q = 3.20e10-18 C moves with a velocity = (4i+ 4j -k ) m/s through a region where both a uniform magnetic field and a uniform electric field exist. Calculate the total force on the moving particle
An alpha particle (a helium nucleus, containing 2 protons and 2 neutrons) starts out with kinetic energy of 9.9 MeV (9.9x106 eV), What is the final kinetic energy of the gold nucleus
For a charged hollow metal sphere with total charge Q and radius R centered on the origin: Select "True"or "False" for each statement. The field in the hollow of the shell is not zero. There is zero net charge on the outside surface.
A 5.81 10-5 H solenoid is constructed by wrapping 70 turns of wire around a cylinder with a cross-sectional area of 8.10 10-4 m2, Determine the change in the length of the solenoid
The angle between the electric field vector and the vector normal to the rectangular plane is 65.0 degrees. Illustrate what is the electric flux through the rectangle?
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