Throw a ball upward from point 0 with an initial speed of 64 m/s.
What is the maximum height? The accel-
eration of gravity is -9.8 m/s.
Answer in units of m.

Let f(x) = x4- 8x2 . find the relativeextrema of this function using the second derivative test.

What is the final velocity of the initial velocity of 25 and -50?

Determine the force the sun exerts on an object with a mass of 80.0 kg if that object is on the earth. what is the force exerted by the moon on the same object? what is the force the earth exerts on it?