Physics, 11.12.2019 09:31, sarahsompayrac
Until a train is a safe distance from the station it must travel at 5m/s. once the train is on open track it can speed up to 45m/s. if it takes the train 8 seconds to reach 45m/s what is the acceleration of the train ?
Answers: 2
Physics, 22.06.2019 08:30, khohenfeld0
What properties of a moving object are used in determining the object's energy of motion
Answers: 2
Physics, 22.06.2019 17:30, madisonnewby5021
Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=
Answers: 2
Physics, 22.06.2019 21:10, bri9263
Two masses are connected by a rope that hangs over a pulley as shown below. the pulley is a uniform cylinder of radius 푅=0.381meters and mass 푀=3.1푘푔. initially 푚"is on the ground and 푚#rests 2.5 meters above the ground. if the system is released, use conservation of energy to determine the speed of 푚#just before it strikes the ground. assume the pulley bearing is frictionless.
Answers: 2
Physics, 22.06.2019 23:30, ghari112345
How is the ideal mechanical advantage of a wheel and axle calculated?
Answers: 1
Until a train is a safe distance from the station it must travel at 5m/s. once the train is on open...
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