Answer:
the bell has potential energy equal to,
18 x 9.8 x 45 = 7938 joules
It's geography,
tropical climate
The answer is B. The hotter rock is less dense so rises. The cooler rock is more dense so sinks.
Answer:The place to go for the answer to such an easy question is the SI Brochure, the document which defines the SI and all its units.
Answer:
Hence lowest (nonzero) frequency that gives destructive interference in this case = 3400 Hz
Explanation:
Since, the two are in out of phase,
their path difference is
d= nλ
Given d1= 2.75 m
D= 3.90 m
d_2= 2.76 m
2.76-2.75= 1×λ
λ= 0.01 m
0.01= 1*λ
λ =0.01
frequency ν = v/λ = 340/0.01
f= 3400 Hz
Hence lowest (nonzero) frequency that gives destructive interference in this case = 3400 Hz