subject
Physics, 24.08.2019 04:30 BLASIANNkidd

1. in which medium does sound travel the fastest?
a. salt water
b. fresh water
c. air
d. cast iron
2. a wave has a wavelength of 10 mm and a frequency of 5 hertz. what is its speed?
a. 50 mm/s
b. 50 hertz/s
c. 2 mm/s
d. 0.50 mm/s
3. how does reflection differ from refraction and diffraction?
a. reflection is the only process in which the wave does not continue moving forward.
b. reflection is the only process that involves a change in the wave.
c. reflection affects all types of mechanical waves, but refraction and diffraction do not.

ansver
Answers: 2

Other questions on the subject: Physics

image
Physics, 21.06.2019 21:30, ahmedislife
Ascientist is tracking an object orbiting the sun that is found between mars and jupiter. in order to classify the object as an asteroid, it must be at least
Answers: 1
image
Physics, 22.06.2019 12:30, promcafee8788
Awheel of mass 48 kg is lifted to a height of 0.8 m. how much gravitational potential energy is added to the wheel? acceleration due to gravity is g = 9.8 m/s2. a. 30.4 j b. 3.1 j c. 297.9 j d. 11,321 j
Answers: 1
image
Physics, 22.06.2019 17:20, lilzaya510
Properties seen when one one substance changes to another are known as properties
Answers: 1
image
Physics, 23.06.2019 01:30, smortandsons
)consider two positively charged particles, one of charge q0 (particle 0) fixed at the origin, and another of charge q1 (particle 1) fixed on the y-axis at (0,d1,0). what is the net force f⃗ on particle 0 due to particle 1?
Answers: 2
You know the right answer?
1. in which medium does sound travel the fastest?
a. salt water
b. fresh water
c...

Questions in other subjects:

Konu
Mathematics, 20.09.2020 17:01