Answer:
<h2>50 km/hr</h2>
Explanation:
The average speed of the car can be found by using the formula

d is the distance
t is the time taken
From the question we have

We have the final answer as
<h3>50 km/hr</h3>
Hope this helps you
Total internal reflection causes light to be completely reflected across the boundary between the two media but not transmitted.
<h3>What is total internal reflection?</h3>
The term total internal reflection occurs when light is moving from a denser to a less dense medium such as from glass to air. This phenomenon occurs at the interface between the two media.
There are two conditions necessary for total internal reflection and they are;
1) Light must travel from a denser to a less dense medium
2) The angle of incidence in the denser medium must be greater than the critical angle.
Total internal reflection causes light to be completely reflected across the boundary between the two media but not transmitted.
Learn more about total internal reflection:brainly.com/question/13088998
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Answer:
the glucose in air will solidify and it will stop the process.
it will cause hot air
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