Answer: B, increase the rate at which he turns the crank
Explanation: i got it right
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Youhh pick upp electrons from the floor and become positively charged
Because the gas weighs more than the tubes thus causing them to spin
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Answer</u>
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Distance = 50m
Displacement = 50m to the right
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Explanation</u>
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<em>Distance</em> is the total length of a given path. It is a scalar quantity and thus takes no consideration on the direction of the path.
<em>Displacement</em> on the other hand is the change in position of an object. It is a vector quantity and takes consideration on the direction of the object.
From the question:
<em>The swimmer swims half lap by moving from the left end to the right end of a pool that is 50m long.</em>
Distance = total length of the given path = 50m
Displacement = change in position of the swimmer from the left end (0m) to the right end (50m) = 50 - 0 = 50m
Since direction is important in displacement, the complete details of the displacement should be 50m to the right
