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Margaret [11]
3 years ago
7

2. If 66.2 J of thermal energy is removed from a 0.141 kg piece of iron, what is its change in temperature? The specific heat ca

pacity of iron is 448. [Hint: ΔT = Q/(m*c)] *
Physics
1 answer:
yawa3891 [41]3 years ago
3 0

Answer: I think is -5

Explanation:

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An object begins with a speed of 20 meters per second and slows down to a speed of 10 meters per second over a time of 5 seconds
Andreyy89

Answer:

V = 6 m/s

Explanation:

Given that,

Initial speed of an object is 20 m/s

Final speed of an object is 10 m/s

Time, t = 5 s

We need to find the average speed of the object during these 5 seconds. Let it is equal to V. Here, time is same. The average speed is given by :

V=\dfrac{x+y}{2}\\\\\text{Putting values}\\\\V=\dfrac{20+10}{5}\\\\V=6\ m/s

So, the average speed of the object is 6 m/s.

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Answer:

D. You speed up

Explanation:

hope it helps

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The field gets weaker

Explanation:

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