Why is 2 correct for #1 need answer asap

Answer :- Option 2 90 mm is correct.

Explanation :-

10.5 - 1.5 = 9.0 cm

So the length of the earthworm is 9.0 cm as seen from the scale.

1 cm = 10 mm

Thus, to convert 9.0 cm to mm

we need to multiply 9 by 10

9 X 10 = 90

So the answer is 90 mm.

the speed increase from w to x due to increased gravity force

the speed decreases from x to y due to decrease in gravity

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