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kakasveta [241]
3 years ago
11

You just explored work and heat. Now test your understanding,

Physics
1 answer:
Lyrx [107]3 years ago
5 0

Answer:

the hotter it gets, the liquid(mercury), expands more and more, and will rise up the tube to the correct line to read the tempature

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4. Which of the following would be a good reference point to describe the motion of a dog?
saul85 [17]

ANOTHER RUNNING DOG

Explanation:

In the given question it is to find a suitable reference point to describe  the motion of dog. Here I could suggest that it is better to compare the dog with  another running dog to create the relative speed difference to get a reliable motion variation.

Because the motion of dog is in the linear with respect to the another dog and to the acceleration produced by the dog in the required interval is easy to calculate with respect to  another dog which is already in motion.

Hence, I suggest that Motion of dog can be analysed better by analyse the motion variation of dog with  another dog running.

4 0
3 years ago
A small 16 kilogram canoe is floating downriver at a speed of 4 m/s. What is the canoe's kinetic energy?
seraphim [82]

Kinetic Energy,K.E=1/2MV²

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velocity,v=4m/s

K.E=1/2×16×4²

=128kgm²/s²

=128 Joules

5 0
3 years ago
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UV rays have the lowest energy, (highest wavelengths)

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Does the mass of a parachute affect terminal velocity?
vovangra [49]

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The greater weight increases the terminal velocity by acting as an extra force against gravity and air resistance.

6 0
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Matter comprises all of them and among them are independent. what are they
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<em>Matter is composed of elementary particles i.e. quarks and leptons.</em>

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