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Question: A freight train has a mass of 1.7 × 107 kg. If the locomotive can exert a constant pull of 8.3 × 105 N,
Part A: How long does it take (in MINUTES) to increase the speed of the train from rest to 64 km/h?
Please show clear work for points. Thank you!
An ion accelerated through a potential difference of 240.0 V has its potential energy decreased by potential energy of 7.68*10^-17 J
The International Space Station orbits at a distance of 355 km above the surface of the Earth. What is the gravitational acceleration it experiences
It has been said that George Washington, in his youth, threw a silver dollar across a river. Assuming that the river was 300 meters wide, How long was the coin in flight
A capacitor of capacitance C = 4.5 µF is initially uncharged. Immediately after the switch is closed, find what is the voltage drop VC across the capacitor
A 3m long ladder leans against a frictionless wall. The coefficent of static friction between teh ladder and the floor is .40. What is the minimum angle the ladder can make
The angle of incidence at a solid/liquid boundary is 75.9°, and the index of refraction of the solid is n = 1.50. What is the largest index of refraction that the liquid can have
a pair of speakers seperated by .7m are driven by the same oscillator at a frequency of 690 hz. an observer originally
A 144-g baseball mobing 28.0 m/s strikes a stationary 5.25 kg brick resting on small rollers so it moves without significant friction. What is the baseball's speed after the collision
A particle with charge of 4 microcoloumbs is at the origin, another identical particle is placed 2 m from the origin on thepositive x-axis and another 2 m on the positive y-axis.
A toaster uses a Nichrome heating wire. When the toaster is turned on at 20° C, the initial current is1.50 A. A few seconds later, the toaster warms up and the currentnow has a value of 1.24 A. The averagetemperature coefficient of resistivity for..
When white light passes during transmission diffraction grating an observer sees in the fringe of the 1st order. A spectrum with the red light being deflected the most. A spectrum with the violet light being deflected the most
In an LC circuit with an inductance of 40 mH and capacitance of 1.2 mF, What is the maximum energy stored by the inductor
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