Answer:
One rational solution
Step-by-step explanation:
proof
5x2 - 2x - 3=0, the sum of coefficients is 5-2-3=0, so the equation has exactly two solutions, x=1, and x = -3/5 this last is the one rational solution
K.E=0.5mv^2
GPE=mgh
The child has both K.E and GPE


g is taken as 9.81
Image? where is it? id love to help