For all values of x, y, and z, which expression is equivalent to 5xy. 5z?
2 answers:
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Answer:
(a)11.24 m/s
(b)7.44 m/s
(c)409 N
(d)
(e) 0
Explanation:
The period for 1 circle of the merry go around is 9.5s. It means the angular speed is:
(a)The speed is
(b) Centripetal acceleration:
(c) Magnitude of the force that keeps you go around at this acceleration
(d) let the coefficient of friction by . The frictional force shall be this coefficient multiplied by normal force reverting gravity of the man