Question

the distance covered in 10 revolution by a road roller of diameter 4.2 m is

Answer 1

$\fontsize{18}{10}{\textup{\textbf{Distance covered=132 m.}}}$

Step-by-step explanation:

We know that

Distance covered in 1 revolution =  circumference of the road roller.

Now, diameter of the road roller, d = 4.2 m.

So, the circumference of the road roller is given by

$C=\pi d=\dfrac{22}{7}\times4.2=13.2~\textup{m}.$

That is,

distance covered in 1 revolution = 13.2 m.

Therefore, distance covered i 10 revolutions is given by

$13.2\times10=132~\textup{m}.$

Thus, the required distance covered is 132 meters.

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Question : A  particle is moving in a circle of diameter 10 m.What the distance covered it on completing 2 revolutions.

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Answer 2

Answer:

132m

Step-by-step explanation:

\fontsize{18}{10}{\textup{\textbf{Distance covered=132 m.}}}\fontsize1810Distance covered=132 m.

Step-by-step explanation:

We know that

Distance covered in 1 revolution = circumference of the road roller.

Now, diameter of the road roller, d = 4.2 m.

So, the circumference of the road roller is given by

C=\pi d=\dfrac{22}{7}\times4.2=13.2~\textup{m}.C=πd=

7

22

×4.2=13.2 m.

That is,

distance covered in 1 revolution = 13.2 m.

Therefore, distance covered i 10 revolutions is given by

13.2\times10=132~\textup{m}.13.2×10=132 m.

Thus, the required distance covered is 132 meters.

Learn more#

Question : A particle is moving in a circle of diameter 10 m.What the distance covered it on completing 2 revolutions.

Link : https://brainly.in/question/7862118.