Physics, 26.03.2020 06:08 liyahheadhigh
A 1 kg mass is sitting on a flat frictionless table and is attached to a horizontal spring. The mass is pulled from the position of equilibrium(where it was reating) by 0.666m and is the released. Where will its kinetic energy be largest?
Answers: 1
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Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?
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Yvette hangs a 2.4kg bird feeder in the middle of a rope tied between two trees. the feeder creates a tension of 480 n in each side of the the rope.
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The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?
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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
A 1 kg mass is sitting on a flat frictionless table and is attached to a horizontal spring. The mass...
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