Question

How long will it take an object moving with a speed of 15 m/s to cover a distance of 30 m

Answer 1

Given

Speed = 15 m/s

Distance = 30 m

To Find

Time

Solution

We know that

$\sf \longrightarrow t=\dfrac{d}{s}$

Here

• t = Time
• d = Distance
• s = Speed

Units

• t = second (s)
• d = metre (m)
• s = metre per second (m/s)

According to the question

We are asked to find time

Therefore

We must find "t"

Given that

Speed = 15 m/s

Distance = 30 m

Hence

• s = 15 m/s
• d = 30 m

Substituting the values

We get

$\sf \longrightarrow t=\dfrac{30}{15} \ s$

Therefore

$\sf \longrightarrow t=2 \ s$

Hence

Time = 2 seconds

Answer 2

Explanation:

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$\bf{\bigstar}$$\text{\Large\underline{\sf{Question:-}}}$

:$\Longrightarrow$ ● How long will it take an object moving with a speed of 15 m/s to cover a distance of 30 m.

$\bf{\bigstar}$ $\text{\Large\underline{\sf{To\ Find:-}}}$

:$\Longrightarrow$ ● We have to find the time.

$\bf{\bigstar}$ $\text{\Large\underline{\sf{Given:-}}}$

:$\Longrightarrow$ ● Speed = 15m/s.

:$\Longrightarrow$ ● Distance = 30m.

$\bf{\bigstar}$ $\text{\Large\underline{\sf{Solution:-}}}$

:$\Longrightarrow$ ● Well, we know that:-

:$\Longrightarrow$ $\mathsf\orange{t\ =\ \dfrac{d}{s}}$

:$\Longrightarrow$ ● And here:-

:$\Longrightarrow$ t = time.

:$\Longrightarrow$ d = distance.

:$\Longrightarrow$ s = speed.

$\bf{\bigstar}$ $\text{\large\underline{\sf{According\ to\ the\ question:-}}}$

:$\Longrightarrow$ It is given that :-

:$\Longrightarrow$ ● Speed = 15m/s.

:$\Longrightarrow$ ● Distance = 30m.

:$\Longrightarrow$ And hence :-

:$\Longrightarrow$ ● s = 15m/s.

:$\Longrightarrow$ ● d = 30m.

$\bf{\bigstar}$ $\text{\large\underline{\sf{By\ substituting\ the\ values\ we\ get:-}}}$

:$\Longrightarrow$ $\mathsf{t\ =\ \dfrac{30}{15}\ s}$

:$\Longrightarrow$ And therefore:-

:$\Longrightarrow$ $\mathsf{t\ =\ 2s.}$ $\red{\bigstar}$

$\therefore$ $\fbox\purple{Hence,\ the\ required\ time\ is\ 2s.}$

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