Hey Friends
The answer to this question would be C
Hope i helped
~Katie
Answer:

Explanation:
initially the merry go round is at rest
after 6.73 s the merry go round will accelerates to 20 rpm
so final angular speed is given as



so final tangential speed is given as


now average acceleration of the girl is given as



The answer is C. <span>Light travels at different speeds in water and in glass.</span>
To answer the following questions for this specific problem:
a. 11.48 secs
b. Vp = a*t*3.6 =
3*11.48*3.6 = 124.0 km/h
<span>c. 9.1 secs. </span>
I am hoping that this answer has satisfied your query about
and it will be able to help you.
Answer:

Explanation:
Let x be the distance to the shore
From trigonometry properties:
