A yoyo is spun in a horizontal circle around a child’s head because they have no idea how to actually use a yoyo. The yoyo revolves around the child’s head 2 times in 8 seconds. The yoyo has a string which is 1.5 m long. What is the period of revolution of the yoyo around the child’s head?
How fast is the yoyo moving as it revolves?
What centripetal acceleration will the yoyo experience as it revolves?

1.state2.trash3.the earth

Iknow the first part it is the average star i am not 100% sure

Answermuch larger;

Answer: a charge of -1.0  × 10⁻⁴ c must be placed  at x = 26 m.the sign of the charge will be the same sign as the  -4.0  µc charge.======electricstatic force between two point charges  is given by    where k is coulomb's constant,  8.99×10⁹  n·m²/c², q₁ and q₂ are the point charges, and r is the distance between the two point charges.assign positive to q₁let q₁ =  6.0 µc, q₂ = -4.0  µc, q₀ represent the charge at the origin, and q₃ represent this new charge to place.the charge at the origin q₀ would experience the following force f₀₁ from q₁, with r = 6.0 m (note that 1  µc = 10⁻⁶ c)    the force from q₂    the force from q₃    the net force on the origin charge, q₀, has to be zero for no electrostatic forcehaving an equation where k and q₀ can be divided out of the equation will allow us to solve for q₃    isolating:     a charge of -1.0  × 10⁻⁴ c must be placed  at x = 26 m.the sign of the charge will be the same as the  -4.0  µc charge