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notsponge [240]

3 years ago

5

Erwan accelerates his car at 3 km/h per second while overtake a lorry. If he drives with a speed of 90 km/h, calculate his speed

after 10 seconds

1 answer:

Luba_88 [7]3 years ago

8 0

3 km / h every second for 10 seconds = 30 km / hr

90 + 30 = 120 km / hr

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