Physics, asked by XxpriyanshuxX, 8 months ago

A racing car has a uniform acceleration of 4 metre per second square.What distance will it cover in 10 s after start?

Answers

Answered by MystícPhoeníx

150

Answer:

Question :-

➜A racing car has a uniform acceleration of 4 metre per second square.What distance will it cover in 10 s after start ?

Given :-

➜Initial velocity (u)=0m/s

➜Acceleration(a)=4 metre per second square.

➜Time taken (t)=10s

We have to find the distance cover by car after 10s=???

Distance (s) =??

Solutions:-

➜By using Second equation of motion

$s = ut + \frac{1}{2} at {}^{2} \\ \\ s = 0 \times 10 + \frac{1}{2} \times 4 \times {10}^{2} \\ \\ s = 200m$

Hence the required answer is 200m.

Hope this answer help you

Answered by DelhiQueen

1

Answer:

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$\color{red}\huge{\underline{\underline{\mathfrak{Answer}}}}$

200 metres

Explanation:

Given:

Initial velocity = u = 0 m/s

Acceleration = a = 4 m/s²

Time taken = 10 seconds

To find:

Distance it will cover in 10 seconds after start

First using first equation of motion:

V=u+at

V=0+4×10

V=0+40

V=40 m/s

Now using third equation of motion:

V²-u²=2as

40²-0²=2×4×s

1600-0=8s

1600=8s

s = 1600/8

s = 200 metres

The distance covered by the racing car after start is equal to 200 metres

Hope it helps ✌

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