3 years ago

Hey could someone help me with this question?

Mathematics

1 answer:

Dennis_Churaev [7]3 years ago

3 0

Answer:

u = 5 m/s

Step-by-step explanation:

Given

s = 20 m
t = 2 s
a = 5 m/s²

Required Formula

s = ut + 1/2at²

Solving

20 = 2u + 1/2(5)(2)²
20 = 2u + 10
2u = 10
u = 5 m/s

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