Physics, 20.06.2021 02:50 sajasolo3467
At a playground, a 19-kg child sits on a spinning merry-go-round. The merry-go-round completes one revolution every 6.4 s, and the child sits at a radius of r=1.6m.
a) What is the force of static friction acting on the child?
b) What is the minimum coefficient of static friction between the child and the merry-go-round to keep the child from slipping?
Answers: 2
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Point charges q1=+2.00μc and q2=−2.00μc are placed at adjacent corners of a square for which the length of each side is 1.50 cm . point a is at the center of the square, and point b is at the empty corner closest to q2. take the electric potential to be zero at a distance far from both charges. part a what is the electric potential at point a due to q1 and q2? express your answer with the appropriate units.
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At a playground, a 19-kg child sits on a spinning merry-go-round. The merry-go-round completes one r...
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