If you are driving a car with a velocity of -25 m/s and you have an acceleration of -2 m/s^2, are you speeding up or slowing down? Why?

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.

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

If frequency goes down, what happens to wavelength? does it get shorter or longer?