Question

v2 = u2 + 2as. If u = 12, a = -3 and s = 18, Find v

Answer 1

Answer:

v = √144 + 2(-3) (18)

v = √144 - 108

v = √36

v = 6

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Step-by-step explanation:

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Answer 2

Answer:

$\huge\fbox\red{❥AnsWer:}$

$\bf\green{v²=u²+2as}$

$\huge\mathfrak\blue{❥GiveN:}$

• u = 12
• a = -3
• s = 18

$\bf\green{here}$

• u means initial velocity
• a means acceleration as it is negative it can be termed as deceleration
• s is the displacement

$\huge\mathfrak\blue{❥to\:find:}$

• v = ?

by using Newton's equation of motion

v² = u² + 2as

➡️ v² = 12² + 2×(-3)(18)

➡️ v² = 144 + (-108)

➡️ v² = 144-108

➡️ v² = 36

➡️ v = √36

➡️ $\bf\pink{v = 6}$