Charged particles emitted from the sun during a solar flare penetrate the earth's magnetic shield and collide with atoms and molecules in our atmosphere. These collisions result in countless little bursts of light, called photons, which make up the aurora<span>.</span>
Answer:
The molar percent of ethanol in the air is 2.6%
Explanation:
Molar percent of ethanol in the air = partial pressure of ethanol/total pressure × 100 = 19.5 torr/758.6 torr × 100 = 2.6%
Answer:
<h2>The answer is option C</h2>
Explanation:
The work done by an object given it's distance and force can be found by using the formula
<h3>work done = force × distance</h3>
From the question
force = 20 N
distance = 10 m
The work done is
work done = 20 × 10
We have the final answer as
<h3>200 J</h3>
Hope this helps you
Answer:
Wave Speed (m/s)
31.25
Summary
Wavelength (m)6.25
Frequency (hz)5
Explanation:
https://calculator.academy/wave-speed-calculator/#f1p1
Question 9 is 100 N.
Question 10 is No, the bike's motion is not changing so it could be at rest or moving at a constant velocity.
Question 11 is Be doubled.
Question 12 is Ella is correct.
Hope i helped.