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If they travel the length of the tube at full speed (they don't, because they are accelerating), how long is the tube in the electrons' reference frame?
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John is traveling north at 20 meters/second and his friend Betty is traveling south at 20 meters/second. If north is the positive direction, what are John and Betty's speeds?
Question: A projectile is launched at an angle of 30 deg.Is there any point on the trajectory where V and A are parallel to each other? Is there any point where V and A are perpendicular to each other? The response must ...
A particle starts from the origin at t = 0 with an initial velocity having an x component of 26.6 m/s and a y component of -14.8 m/s. The particle moves in the xy plane with an x component of acceleration only, given by ...
An observer sees an airplane flying directly overhead and determines that the distance from the wingtip to wingtip subtends and angle of 0.0080 radians. She knows that the wingspan of the airplane is actually 160 feet. W ...
ADDITIONAL PROBLEM 1 Unpolarized light passes through two polarizers whose transmission axes are at an angle # with respect to each other. What should be the angle # between the transmission axes of the polarizers if it ...
Question: A spring of negligible mass has force constant k = 1500N/m . Part (a): How far must the spring be compressed for an amount 3.40J of potential energy to be stored in it Part(b): You place the spring vertically w ...
Question: Suppose the distance from the lens system of the eye (cornea +lens) to the retina is 13 mm. (a) What must the power of the lens be whenlooking at distant objects? D (b) What must the power of the lens be when l ...
Question: The potential difference between the surface of a 3.5 cmdiameter power line and a point 1.0 m distant is 3.6 kV. What is the line charge density on the power line? The response must be typed, single spaced, mus ...
Question: The planet Mercury's surface temperature varies from 700 K during the day to 90 K at night. Part 1: What is the temperature in °C during the day? Part 2: What is the temperature in °C at night? Part 3: What is ...
The first modern Olympics of 1896 had a marathon distance of 40 km. In 1908, for the Olympic marathon in London, the length was set at 42.195 km to provide the Royal Family with a better view of the race. Other distances ...
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