This question contains multiple parts. Make sure to read all the instructions and answer each part.

$($#$882009)\{$Rotational Kinematics$\}$

Alice and Bob are each riding horses on a carousel.$$Alice$\text{'}$s horse is twice as far from the axis of spin of the carousel as Bob's horse.

Part a

$(1$ points$)$

Let AA$$ be the angular velocity of Alice's horse, and let BB$$ be the angular velocity of Bob's horse.$$Which of the following is true?

Select the correct answer

A$<$BA$<$B$$

A$=$BA$=$B$$

Your Answer

A$>$BA$>$B$$

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$2$ of $2$ checks used

Part b

$(1$ points$)$

Let vAvA$$ denote the speed of Alice's horse, and let vBvB$$ denote the speed of Bob's horse.$$Which of the following is true?

Select the correct answer

vA$=12$vBvA$=21$vB$$

vA$=$vBvA$=$vB$$

vA$=4$vBvA$=4$vB$$

vA$=14$vBvA$=41$vB$$

vA$=2$vBvA$=2$vB$$

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$3$ of $4$ checks used

LAST ATTEMPT!

Part c

$(1$ points$)$

Let ar$,$Aar,A$$ denote the radial acceleration of Alice's horse and let ar$,$Bar,B$$ denote the radial acceleration of Bob's horse.$$Which of the following is most nearly true?

Select the correct answer

ar$,$A$=12$ar$,$Bar,A$=21$ar$,$B$$

ar$,$A$=$ar$,$Bar,A$=$ar$,$B$$

ar$,$A$=4$ar$,$Bar,A$=4$ar$,$B$$

ar$,$A$=14$ar$,$Bar,A$=41$ar$,$B$$

ar$,$A$=2$ar$,$Bar,A$=2$ar$,$B$$

Your Answer