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A space traveler moving at a speed of 0.65c with respect to the earth makes a tripto a distant star that is stationary relative to the earth. Hemeasures the length of this trip to be 8.0light-years. What would be the length of this same trip (inlight-years) as measured by a traveler moving at a speed of0.82c with respect to the earth?
in ordinary laboratory circuits charges in the mu rm c and rm nc range are common. part a how many excess electrons
A spacecraft has a nonrelativistic (or classical) momentum whose magnitude is 3.60 × 1013 kg.m/s. Find the relativistic momentum of the spacecraft
What is the sound level of a sound whose intensity is 6.5 × 10-8 W/m2, What is the intensity of a sound whose sound level is 30 dB
A soap film formed in a loop of wire is, because of its weight, not exactly uniform in thickness, but wedge-shaped in cross section. When the film is illuminated with 546 nm light, one sees four interference fringes spread over a distance of 2.0 c..
An electron has a velocity of 6.0 x 10^6 m/s in the positive x direction at a point where the magnetic field has the components Bx=3.0T, What is the magnitude of the acceleration at this point
A soccer ball is kicked with an initial horizontal velocity of 18 m/s and an initial vertical velocity of 13 m/s, What is the initial speed of the ball, What is the initial angle of the ball with respect to the ground
A pair of hedge trimmers are 45 cm long from the pivot to the end of the handles. If the person applies of a force of 15 N on each handle, how much force is applied to the branch
A criminal is escaping across a rooftop and runs off the roof horizontally at a speed of 5.6 m/s,hoping to land on the roof of an adjacent building. Air resistanceis negligible. The horizontal distance between the two buildings isD, and the roof of t..
A speedboat moves on a lake with initial velocity vector v1,x = 9.69 m/s and v1,y = -2.99 m/s, Find the speedboat's final speed
The component of the external magnetic field along the central axis of a 18-turn coil of radius 28.0 cm decreases from 1.90 T to 0.550 T in 2.10 s. What is the direction of the current
A person doing a chin-up weighs 655 N exclusive of the arms. During first 15 cm of the lift, each arm exerts an upward force of 355N on the torso. If the upward movement starts from rest, what is the person's velocity at this point.
A golf ball of mass 4.50 x 10^-2 kg is struck by a club. Contact lasts 2.31 x 10^-4 s, Compute the average force the club exerts on the ball
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