a powerfull motorcycle can accelerate from rest to 28m/s in only 4sec (b) how far does it travel in that time ?
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Answers
Given, that motorcycle starts from rest
Thus,
u ( Initial velocity ) = 0 m/s
v ( final velocity ) = 28 m/s
t ( time taken ) = 4 s
a ( acceleration ) = v - u / t = 28 - 0 / 4 = 7 m/s^2
s ( distance covered ) = ?
By 2nd equation of motion, we have
s = ut + 1/2 at^2
This distance covered by the motorcycle is 56m
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Answer:
Given, that motorcycle starts from rest
Thus,
u ( Initial velocity ) = 0 m/s
v ( final velocity ) = 28 m/s
t ( time taken ) = 4 s
a ( acceleration ) = v - u / t = 28 - 0 / 4 = 7 m/s^2
s ( distance covered ) = ?
By 2nd equation of motion, we have
s = ut + 1/2 at^2
s = 0 \times 4 + \frac{1 \times 7 \times 4 \times 4}{2}s=0×4+
2
1×7×4×4
\begin{lgathered}s = 0 + 56 \\ s = 56\end{lgathered}
s=0+56
s=56
This distance covered by the motorcycle is 56m
Explanation:
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