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3 years ago

What is the speed of a truck that travels 10 km in 10 minutes?

Physics

2 answers:

Contact [7]3 years ago

8 0

Answer:

10 minutes: 10 km

1 minute: 10 ÷ 10 = 1 km

the speed of the truck is 1km/min

kumpel [21]3 years ago

5 0

Answer:

1 kilometer/minute

Explanation:

If we want to find the speed, we must divide the distance by the time.

$s= \frac {s}{t}$

The truck travels a distance of 10 kilometers in 10 minutes.

$d= 10 km\\t=10 min$

Substitute the values into the formula and divide.

$s=\frac{d}{t}$

$s=\frac{10 km}{10min}$

$s= 1 km/min$

The speed of the truck is 1 kilometer per minute.

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${\large{\bold{\rm{\underline{Given \; that}}}}}$

★ A grey hound pursues a hare and takes 5 leaps for every 6 leaps of the hare, but 3 leaps of the hound are equal to 5 leaps of the hare.

${\large{\bold{\rm{\underline{To\; find}}}}}$

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${\large{\bold{\rm{\underline{Solution}}}}}$

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${\large{\bold{\rm{\underline{Full \; Solution}}}}}$

$\dashrightarrow$ As it's given that a grey hound pursues a hare and takes 5 leaps for every 6 leaps of the hare, but 3 leaps of the hound are equal to 5 leaps of the hare.

So firstly let us assume a metres as the distance covered by the hare in one leap.

Ok now let's talk about 5 leaps,.! As it's cleared that the hare cover the distance of 5a metres.

But 3 leaps of the hound are equal to 5 leaps of the hare.

Henceforth, (5/3)a meters is the distance that is covered by the hound.

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Hound pursues a hare and takes 5 leaps for every 6 leaps of the hare..! (Same interval)

Now the distance travelled by the hound in it's 5 leaps..!

(5/3)a × 5

25/3a metres

Now the distance travelled by the hare in it's 6 leaps..!

6a metres

Now let us compare the speed of the hound and the hare. Let us calculate them in the form of ratio..!

25/3a = 6a

25/3 = 6

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