Rebecca K.

The function h(x)= -0.2(x-6)^2+1.8 models a boy’s jump into a swimming pool, where x is the horizontaldistance traveled (in feet) and is the height (in feet) above the water. When the boy jumps... more

This is a question on a homework assignment that I can't figure out. I'm not sure how to set up the equationanswer the problem by using the equation for force (F=ma) and (W=mg)

The shell had an initial speed of 2.12 km/s at an initial inclination of 78.7 ◦ to the horizontal. The acceleration of gravity is 9.8 m/s 2 . -How far away did the shell hit? -How long was it in... more

Determine unsimplified derivatives: y=3x^2 + 3√x - 5/x^2 y=(x^2-x)(√x) y=-6/4√3x Determine simplified derivative: y=(2x^2-1)^4 (3x^2+1)^2

Given are the 3 charges: q1 = +10 µC, q2 = +20 µC, q3 = - 30 µC. All 3 are located at x = -1.0 m, at the origin.and at at x = +2.0 m, respectively. Find the Net Force on q2.A. 3.15 N to the... more