Answer:
change in frequency is 636 Hz
Explanation:
given data
speed v1 = 36 m/s
speed v2 = 45 m/s
frequency f = 500 Hz
speed of sound s = 343 m/s
to find out
what is the change in frequency
solution
we know here change of frequency formula that is
frequency =
(f) ...................1
put here value in equation 1
and we take v2 = -45 because opposite direction
frequency =
(f)
frequency =
(500)
frequency = 636
so change in frequency is 636 Hz
Answer:
conservation law os also called law of conservation it states that a certain physical property does not change in the course of time within a isolated physical system
GEL IT IS COMBINATION OF SOLID AND LIQUID
1 metre per second = 2.237 miles per hour
so 83 m/sec = 185.666 miles per hour !! ...answer !!
A)mass of object, since density =mass/volume