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Umnica [9.8K]
3 years ago
5

While John is traveling along a straight interstate highway , he notices that the mile marker reads 248 km. John travels until h

e reaches the 149 km marker and then retraces his path to the 167 km marker . What is John's resultant displacement from the 248 km marker

Physics
1 answer:
sergiy2304 [10]3 years ago
3 0

Answer:

I'm just going to tell you the information you need but not the answer so you can learn from the problem.

Explanation:

So he was at 248 km mark and traveled 99 km to get to the 149km mark. Then he turns around to go back 18 km to the 167 km mark. That is all the information you need to complete the question I recommend drawing it out in your notes.

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What will be the final temperature if a 4.00 g silver ring at 41.0◦C if it gives off 18.0 J of heat to the surroundings? The spe
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Answer:

Final temperature, T_f=21.85^{\circ}

Explanation:

Given that,

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T_f=\dfrac{-18}{4\times 0.235}+41

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