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finlep [7]
3 years ago
13

Use the formulav = u+at to find the velocity

Mathematics
2 answers:
Fantom [35]3 years ago
6 0

Answer:

The final velocity is <u>13.5 m/s</u>.

Step-by-step explanation:

<u>Given</u> :

  • \red\diamond Initial velocity = 3 m/s
  • \red\diamond Acceleration = 1.5 m/s²
  • \red\diamond Time = 7 seconds

\begin{gathered}\end{gathered}

<u>To</u><u> </u><u>Find</u> <em>:</em>

  • \red\diamond Final Velocity

\begin{gathered}\end{gathered}

<u>Using Formula</u> :

{\star{\underline{\boxed{\sf{\pink{v = u + at}}}}}}

  • \blue\star v = final velocity
  • \blue\star u = initial velocity
  • \blue\star a = acceleration
  • \blue\star t = time taken

\begin{gathered}\end{gathered}

<u>Solution</u> :

Substituting all the given values in the formula to find Final velocity :

\begin{gathered}\begin{array}{l} {\longrightarrow{\tt{v = u + at}}}  \\  \\ {\longrightarrow{\tt{v = 3 + 1.5 \times 7}}} \\  \\ {\longrightarrow{\tt{v = 3 + \dfrac{15}{10} \times 7}}} \\  \\ {\longrightarrow{\tt{v = 3 + \dfrac{15 \times 7}{10}}}} \\  \\ {\longrightarrow{\tt{v = 3 + \dfrac{105}{10}}}} \\  \\ {\longrightarrow{\tt{v = 3 + 10.5}}} \\  \\ {\longrightarrow{\tt{v =13.5 \: m/s}}} \\  \\ {\star{\underline{\boxed{\tt{\purple{v =13.5 \: m/s}}}}}} \end{array}\end{gathered}

Hence, the final velocity is 13.5 m/s.

\rule{300}{2.5}

Usimov [2.4K]3 years ago
4 0

The final velocity is 13.5m/s

The formula of velocity is given as:

v =u + at

And the parameters are given as:

  • the initial velocity, u = 3 m/s
  • the acceleration, a = 1.5 m/s²
  • the time, t = 7 seconds

So, we have:

v =3 + 1.5 \times 7

v =3 + 10.5

v =13.5

Hence, the final velocity is 13.5m/s

Read more about velocity at:

brainly.com/question/4931057

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