5) A ball is traveling 3 m/s east. What direction would the ball be traveling in if it was
traveling in the opposite direction?

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

Emagnitude of the electrical force acting between a +2.4 ×  10–8  c charge and a +1.8 ×  10–6  c charge that are separated by 0.008 m is    n, rounded to the tenths place.

What is the displacement current in the capacitor if the potential difference across the capacitor is increasing at 500,000v/s? express your answer to two significant figures and include the appropriate units.