Afly buzzes past you at 6 m/s. the frequency of the buzz made by its wings is 162 hz. assume the speed of sound to be 334 m/s. what is the observed frequency of the hum as the bumblebee approaches you?

Name two kinds of practical electric pumps.

Chameleons catch insects with their tongues, which they can rapidly extend to great lengths. in a typical strike, the chameleon's tongue accelerates at a remarkable 220 m/s2 for 20 ms, then travels at constant speed for another 30 ms.

Acar starts from rest at a stop sign and reaches a velocity of 25 m/s w in 4 seconds. determine the acceleration of the car. question 3 options: a) 6,25 m/s2 b)6.25 m/s c)100 m/s2 d)100 m/s