The wavelength decreases to roughly half.
(The frequency roughly doubles.)
Answer:
72 km/hr. ...jshdhdhddjidididdiididudd
A- by kicking the ball into the net/goal
C. The bowling ball and the bicycle
p = mv
P of bike = 12x5 = 60
P of rock = 2x20 = 40
P of ball = 5 x 10 = 60
It is either a person who studies Linguistics or
a person skilled in foreign languages