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Question: In your frame, a certain galaxy is moving at a high speed in the x-direction. Relative to the galaxy, a certain comet in the galaxy is also moving at a high speed in the x-direction. Let a be the galaxy's speed with respect to you, b be the comet's speed with respect to the galaxy, and c be the comet's speed with respect to you. Then
Select one:
a. a + b > c
b. a + b < c
c. a + b = c
d. a 2 + b 2 = c 2
An extremely thin film of soapy water (n = 1.36) sits on top of a flat glass plate with n = 1.51. The soap film has a red color when viewed at normal incidence. What is the thickness of the film
suppose that a basketball league has 32 teams split into two conferences of 16 teams each. each conference is split
Two air track carts move forward one another on an air track cart 1 has a mass of 0.45kg and a speed of 1.1m/s. Cart 2 has amass of 0.65kg. What speed should cart 2 have if the total momentum of the system is to be zero? Since the momentum of the sys..
Quadrupole moments in the shell model
Two small identical conducting spheres are placed with their centers 0.40 m apart. One is given a charge of 1.2 10-8 C, the other a charge of -1.6 10-8 C. Find the electrostatic force exerted on one sphere by the other
You testify as an expert witness in a case involving an accident in which a car slides into a car that was stopped at a red light along a road headed down a hill. find the speed of the car when it hits the car stopped at the light
A turntable must spin at 33.4 rpm (3.50 rad/s) to play an old-fashioned vinyl record. Determine how much torque must the motor deliver if the turntable is to reach its final angular speed in 1.5 revolutions
four point charges each having a charge with a magnitude of 1.5 microc are at the corners of a square whose sides are 6
A baseball outfielder throws a 0.150 kg baseball at a speed of 39.0 m/s and an initial angleof 27.0°. What is the kinetic energy of the baseball at the highest point of its trajectory?
A railroad car of mass 2.46 multiply.gif 104 kg, is moving with a speed of 4.13 m/s. What is the speed of the four cars after the collision
two long straight wires are perpendicular to the plane of the paper. each wire carries a current of magnitude i. the
1.7 kilograms of water are changed from liquid water at 100?C into steam at 100?C. determine the change in mass of the water
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