Homework Help: Physics

Posted by Jaleena on Wednesday, January 18, 2012 at 6:09pm.

A merry-go-round makes one complete revolution in 9.1 s. An 18.8 kg child sits on the
horizontal ﬂoor of the merry-go-round 4.7 m
from the center.
Find the child’s acceleration. The acceleration of gravity is 9.8 m/s
2

Physics - Damon, Wednesday, January 18, 2012 at 6:13pm
2 pi r = 2 (3.14)(4.7) = 29.5 meters
v = 29.5 / 9.1 = 3.25 m/s
Ac = v^2/r = 3.25^2/4.7 = 2.24 m/s^2
= .23 g

Answer this Question

Related Questions

physics - 1.A merry-go-round makes one complete revo- lution in 12.2 s. A 49.4 ...
physics - A merry go round makes 2 revolutions every 2 s. A child is sitting 1....
Physics - A child on a merry-go-round is moving with a speed of 1.40 m/s when 1....
Physics - A child sits on a rotating merry-go-round, 2.19 m from its center. If ...
physics - A merry go round in the park has a radius of 1.8 m and a rotational ...
Physics-circular force - A child on a merry-go-round is moving with a speed of 1...
Physics - In a playground, there is a small merry-go-round of radius 1.20 m and ...
Physics Inertia : Merry-go-round - A playground merry-go-round of radius 1.96 m ...
Physics - In a playground, there is a small merry-go-round of radius 1.20 m and ...
Physics - In a playground, there is a small merry-go-round of radius 1.20 m and ...

For Further Reading

First Name:
School Subject:
Answer: