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irinina [24]
3 years ago
15

A cyclist accelerates from rest to 8 m/s in 3 seconds. How far did the cycles travel in 3 seconds?​

Physics
2 answers:
GREYUIT [131]3 years ago
4 0

Answer:

\boxed{\sf Distance \ travelled = 12 \ m}

Given:

Initial speed (u) = 0 m/s (Accelerates from rest)

Final speed (v) = 8 m/s

Time taken (t) = 3 seconds

To Find:

Distance travelled by cyclist (s)

Explanation:

From equation of motion of object moving with uniform acceleration in straight line we have:

\boxed{ \bold{s =  (\frac{v + u}{2} )t}}

By substituting value of v, u & t in the equation we get:

\sf \implies s = ( \frac{8 + 0}{2} ) \times 3 \\  \\  \sf \implies s =  \frac{8}{2}  \times 3 \\  \\  \sf \implies s = 4 \times 3 \\  \\  \sf \implies s = 12 \: m

\therefore

Distance travelled by cyclist (s) = 12 m

Murrr4er [49]3 years ago
3 0

Answer:

s(distance) =36m

Explanation:

u(initial velocity) =0 m/s

a =8 m/s^2

t=3s

s=ut+1/2at^2

s=1/2(8)(3)^2

s=1/2(8)(3)(3)

s=4(9)

s=36m

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