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Crazy boy [7]
2 years ago
15

Naoki's bicycle has a mass of 9 kg. If Naoki sits on her bicycle and starts pedaling with a force of 107.2 N, causing an acceler

ation of 1.6 m/s2, what is Naoki's mass?
A.
69 kg

B.
58 kg

C.
67 kg

D.
14 kg

PLZ HELP ME........thank you
Physics
1 answer:
Murrr4er [49]2 years ago
6 0

Answer:

Explanation:

F = ma

m = F/a

m = 107.2/1.6 = 67 kg

so Naoki's mass must be the total mass - mass of the bike

so her mass is 67 - 9 = 58 kg...B

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