Aball is projected upward at time t = 0.0 s, from a point on a roof 60 m above the ground. the ball rises, then falls until it strikes the ground. the initial velocity of the ball is at time what is the acceleration of the ball? neglect air resistance.

What is the length x of the side of the triangle below? (hint: use the cosine function)

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

Which bonds are found inside a water molecule