Physics, 07.05.2020 05:03, addisynshepherd
True or False? : The net momentum can change in complicated collisions because the angles changes between the paths of the colliding objects.
Answers: 1
Physics, 22.06.2019 05:30, robert7248
What do you think car designers do if the damage caused by a crash test is too severe?
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Physics, 22.06.2019 14:40, haileyjones732
How does an observation about an object differ from an inference about that object
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Physics, 22.06.2019 16:40, Crxymia
Aparticle's position is given by x = 3.00 - 9.00t + 3t2, in which x is in meters and t is in seconds. (a) what is its velocity at t = 1 s? (b) is it moving in the positive or negative direction of x just then? (c) what is its speed just then? (d) is the speed increasing or decreasing just then? (try answering the next two questions without further calculation.) (e) is there ever an instant when the velocity is zero? if so, give the time t; if not, answer "0". (f) is there a time after t = 3 s when the particle is moving in the negative direction of x? if so, give the time t; if not, answer "0".
Answers: 3
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