Physics, 30.01.2022 20:30 kyleighott
Describe the change to the stores of energy of the wood, pipe and water as the water
is heated.
[3 marks]
Wood
Pipe
Water
Answers: 1
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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
Describe the change to the stores of energy of the wood, pipe and water as the water
is heated.
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