Movement Answers

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A balance uses small metal weights of known mass to determine the mass of a substance. Where would a balance NOT function correctly?

Question illustration
A
in a vacuum on Earth
B
on the Moon's surface
C
on the Earth's highest mountain
D
in a zero gravity environment
25

What is BEST to say about a runner who is running at a constant velocity?

A
Their acceleration is positive.
B
Their acceleration is negative.
C
Their acceleration is zero.
D
Their acceleration cannot be determined.

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