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Viefleur [7K]
3 years ago
9

Pls pls help i need help

Mathematics
1 answer:
Gala2k [10]3 years ago
3 0

Answer:

3 m/s/s

Step-by-step explanation:

F = ma

28 = 4m

m = 7

m is constant throughout

21 = 7a

a = 3

3 m/s/s

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