Question

A body accelerates from rest for 5 seconds with a uninform acceleration of 9.8 m/s. What would be the final velocity of the body?

Answer 1

Answer:

49m/s

Explanation:

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Answer 2

Aɴꜱᴡᴇʀ

➜ Final velocity of the body is 49 m/s

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Gɪᴠᴇɴ

☞ Acceleration of the body (a) = 9.8 m/s²

☞ Time (t) = 5 seconds

☞ Initial velocity (u) = 0 m/s

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ᴛᴏ ꜰɪɴᴅ

✴ The final velocity (v) of the body?

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Sᴛᴇᴘꜱ

❍ As we have the initial velocity, the time and the acceleration of the body, then the final velocity is given by,

$\large { \underline{ \boxed{ \textsf{v = u + at }}}}$

Where,

➤ v is the final velocity

➤ u is the initial velocity

➤ a is the acceleration

➤ t is the time taken

As we have all the required values,let's substitute them

$\large \tt \dashrightarrow{}v = 0 + 9.8 \times 5 \\ \\ \large \tt \pink{\dashrightarrow{}v = 49 \: ms}$

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