Physics, 27.07.2021 21:40 nabilop234
The resistance of the light bulb changed as the voltage (and current) changed. Why does this resistance change occur?
Answers: 2
Physics, 21.06.2019 13:10
If you mix chlorine lithium in nickel together which two elements would be the most reactive
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Physics, 22.06.2019 13:20
Arrange the images in order to show how lake-effect snow occurs.
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Physics, 22.06.2019 16:40
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
Physics, 22.06.2019 18:30
Both speed and velocity measure how fast something is moving. however, since speed is not a it does not require a(n question 6 options: a) quantity , unit b) magnitude, unit c) scalar, direction d) vector, direction
Answers: 2
The resistance of the light bulb changed as the voltage (and current) changed. Why does this resista...
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