If a 100 g cart is accelerating down the hill at 5.6 m/sec2, what is the force that is the size of the force causing the acceleration?

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

The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?

In all trials, the magnitude of the final velocity for g1 + g2 was less than the magnitude of any initial velocity. as mass increased, what happened to the velocity? the velocity decreased. the velocity increased. the velocity of g1 + g2 could not be measured. the velocity was not affected by the mass increase.