Math, asked by Deepjyoti11, 1 year ago

Hope many time will the wheel of a car rotate in a journey of 2002m., if the radius of the wheel is 49cm?

Answers

Answered by AkshithaZayn
4
Heya,
Here is your answer.
》》》》》》》》》

☆ Given :
Distance = 2002 m - 200200 cm
Radius = 49 cm

☆ Circumference of the wheel = 2 pie r
= 2×22/7×49
= 308 cm

☆ No.of times it rotates = 200200/308 =
650 rotations.

☆ Hence, the wheel of the car will rotate 65 time

Hope it helps..

mawbleiwelldone: 1metre =100cm
AkshithaZayn: r u confused? @deepjyoti11
Deepjyoti11: No
AkshithaZayn: oh.
Deepjyoti11: Thnx
Deepjyoti11: For the hlp
AkshithaZayn: corrected my ans
AkshithaZayn: sry for inconvenience
Deepjyoti11: Ok
mawbleiwelldone: it's fine but you need to change only the value of 20020 to 200200 as 1m =100 cm and 1cm =10 mm
Answered by mawbleiwelldone
4
radius r of the wheel =49cm=0.49m
let n be the number of rotation to travel a distance of 2002m
distance travelled by the wheel =2002
nx2pir=2002 [ distance travelled =circumference of the circle ]
nx2x0.49x22/7=2002
44x7n=2002
3.08n=2002
n=650 revolutions
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