Question

A racing car has a uniform acceleration 4m/s what list will it covers in 10second after start

Answer 1

Answer:

80 m

Explanation:

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s=1/2at²....u is zero

s=1/2*4*4*10=1/2*160=80

Answer 2

Distance =200 m.

Explanation:

Given Information -

Here,

• Initial velocity (u) = 0m/s
• Acceleration(a) =m/s²
• Time (t) = 10 secs.

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To Find -

• Final velocity (v)
• Distance(s).

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Solution-

$\underbrace\mathscr\red{Finding\:Final\:Velocity(v)-}$

Formula - $\underline{\boxed{\sf\purple{v = u+at}}}$

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Answer -

[replacing values with formula]

$\implies$ v=0+10×4

$\implies$ v=40

Final velocity is 40m/s.

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$\underbrace\mathscr\red{Finding\:Disatnce(s)-}$

Formula - ${s=ut+\frac{1}{2}at² }$

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Answer -

[Replacing values with formula]

$= (0 \times 10) + \frac{1}{2} \times 4 \times {10}^{2} \\ \\ = \frac{1}{2} \times 4 \times 100 \\ \\ = 2 \times 100 \\ \\ = 200$

Distance is 200m.