A person is hearing two sound waves simultaneously. One has a period of 1.50 ms and the other one a period of 1.54 ms. What is the period of the beat due to these two waves?
A) 0.040 ms
B) 1.5 ms
C) 3.0 ms
D) 58 ms
E) 330 ms
D
You might also like to view...
If your mass is 60 kilograms on Earth, what would your mass be on the Moon?
A) 10 pounds B) 10 kilograms C) 360 kilograms D) 60 kilograms E) 60 pounds
Isaac Newton was able to estimate a value for G, the universal gravitational constant, from the following data: the radius of the Earth is about 6 400 km, the average density of rocks is about 5.50 g/cm3, and g = 9.80 m/s2 near the surface of the Earth. What value did Newton obtain for G?
The flux through a coil changes from 4.0 × 10-5 Wb to 5.0 × 10-5 Wb in 0.10 s. What emf is induced in this coil?
A) 5.0 × 10-4 V B) 4.0 × 10-4 V C) 1.0 × 10-4 V D) 0 V E) none of the given answers
Two harmonic waves traveling in opposite directions interfere to produce a standing wave described by y = 2 sin (px) cos (3pt) where x is in m and t is in s. What is the distance (in m) between the first two antinodes?
a. 8 b. 2 c. 4 d. 1 e. 0.5