Question

Two waves are described by the equations y1 = A cos (0.5pi x-100pi t)
y2 = Acos (0.46pi x -92pi t)
(Here x and are in t and in s.
Find the number of times y1+y2 becomes zero per second at x= 0
a)46
b)48
c)192
d)100
​

Answer 1

Answer:

b

hdjdndhhdbsisijehwiwi