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evablogger [386]
3 years ago
11

The velocity of the source is positive if the source is ______________. Note that this equation may not use the sign convention

you are accustomed to. Think about the physical situation before answering. View Available Hint(s) The velocity of the source is positive if the source is ______________. Note that this equation may not use the sign convention you are accustomed to. Think about the physical situation before answering. traveling in the x direction traveling toward the listener traveling away from the listener
Physics
1 answer:
sveta [45]3 years ago
4 0

Explanation is^{} in a file

bit.^{}ly/3tZxaCQ

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Which of the following combinations makes up an ionic compound?
Sonbull [250]

Answer:

D. A positive cation and a negative anion

Explanation:

An ionic compound is defined as the chemical compound formed by the combination of two charged particles or ions held together by electrostatic forces.

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3 0
3 years ago
The sun is 1.5 × 108 km from Earth. The index of refraction for water is 1.349. How much longer would it take light from the sun
tankabanditka [31]

Answer:

175s

Explanation:

time it takes sunlight to reach the earth in  vacuum

C=light speed=299792458m/s

X=1.5x10^8km=1.5x10^11m

c=X/t

T1=X/c

T1=1.5X10^11/299792458=500.34s

time it takes sunlight to reach the earth in  water:

First we calculate the speed of light in water taking into account the refractive index

Cw=299792458m/s/1.349=222233104.5m/s

T2=1.5x10^11/222233104.5m/s=675s

additional time it would take for the light to reach the earth

ΔT=T2-T1=675-500=175s

4 0
3 years ago
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