Answer:
.004 Hz
Explanation:
Frequeny is cycles per second. An oscillation is 1 cycle
F=cycles/sec
4/100
=0.004Hz (Hz- Hertz=1 cycle/sec)
Are u trying to ask what the difference between a sound wave and a frequency is?
V=d*t
Since d=75km=75000m
t=1.5h=3600*1.5= 5400s
=>V=75000*5400
=405000000m/s=4.05*10^8m/s
Answer:
Option A
The drag force goes up by a factor of 4
Explanation:
Fact:
Drag force is directly proportional to the square of the velocity of a moving object
Therefore, when drag force pushes opposite to the motion as one rides a bicycle, the magnitude of drag force increases by a factor of 4
Answer:
Ratio of distance to displacement is pi/2
Explanation:
Pls see attached file for diagram and explanation
