Physics, 08.07.2019 12:00, angelcat9137
Three observers watch a train pull away from a station toward the right of the platform. observer a is in one of the train’s cars; observer b is on the station platform; and observer c is on another train traveling in the opposite direction along a parallel track. how would the observer in each frame of reference describe the motion of the train? according to newton’s laws of motion, how would the motion in the station platform’s frame of reference change if the conductor applied the brakes to the train? does universal gravitation affect the train? explain why or why not.
Answers: 1
Physics, 21.06.2019 13:30, markmoroney22
Would corn syrup, molasses, or pancake syrup make a good lubricant in a car engine? explain your answer.
Answers: 1
Physics, 21.06.2019 21:30, AleOfficial101
Aparticle with mass 1.81×10−3 kg and a charge of 1.22×10−8 c has, at a given instant, a velocity v⃗ =(3.00×104m/s)j^. what are the magnitude and direction of the particle’s acceleration produced by a uniform magnetic field b⃗ =(1.63t)i^+(0.980t)j^?
Answers: 2
Physics, 21.06.2019 23:20, marc2007
In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.
Answers: 1
Physics, 22.06.2019 05:00, unknowntay04
He viscosities of several liquids are being compared. all the liquids are poured down a slope with equal path lengths. the liquid with the highest viscosity will
Answers: 3
Three observers watch a train pull away from a station toward the right of the platform. observer a...
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