Astudent performed the following steps to find the solution to the equation x^2-2x-15=0 where did the student go wrong? step 1: factor the polynomial into (x+3) and (x-5) step 2: x+3=0 and x-5=0 step 3: x=3 and x=-5 a) the student did not make any mistakes, the solution is correct b) in step 3 c) in step 1 d) in step 2

Which example has gravitational potential energy? a.a horse slowing down from a run b.an apple about to fall from a tree branch c.a bicycle being pedaled down a horizontal path d.beaker sitting on the floor

Which of the following are appropriate acceleration units?

Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?