A speedometer in a car gives the car’s speed at that given moment, or the? A. General speed
B. Instantaneous speed
C. Average speed
D. Constant speed

It’s not C or D!

What if? if the temperature near the cliff suddenly falls to 0°c, reducing the speed of sound to 331 m/s, what would the initial speed of the rock have to be (in m/s) for the soccer player to hear the sound of the splash 2.90 s after kicking the rock?

An object is 10 cm from the mirror, its height is 1 cm and the focal length is 5 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1 -1 +10 -10

Determine the maximum r-value of the polar equation r =3+3 cos 0