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stiks02 [169]
2 years ago
9

A train increase its speed steadily from 10ms to 20ms in 1 minutes

Physics
1 answer:
maxonik [38]2 years ago
8 0

Answer:

Explanation:  nigerian what

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How does an atom of potassium-41 become a potassium ion with a +1 charge? 19 K 39.10
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Pleaseeee Please help, I will love you forever and ever
matrenka [14]

Answer:

The answer to your question is

Explanation:

Data

mass = 0.5kg

T1 = 35

T2 = ?

Q = - 6.3 x 10⁴ J  = - 63000 J

Cp = 4184 J / kg°C

Formula

                        Q = mCp(T2 - T1)

                         T2 = T1 + Q/mCp    

Substitution

                       T2 = 35 - 63000/(0.5 x 4184)

                        T2 = 35 - 63000/2092

                        T2 = 35 - 30.1

                         T2 = 4.9 °C

6 0
2 years ago
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