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lukranit [14]
3 years ago
11

The train took 2 h 30 min to travel 3/5 of a journey at an

Physics
1 answer:
tresset_1 [31]3 years ago
6 0

Answer:

100 km/h

Explanation:

96km•2.5=240km

240÷3/5=240•5/3=400km

400-240=160km

4.1-2.5=1.6h

160÷1.6=100km/h

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How long should a spring be stretched for it to store 45 J of energy? The force constant of the spring is
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Answer:

x = 0.4 m

Explanation:

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3 years ago
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