a circular track has a circumference of 3140 with ab as one of the dia

1.	a circular track has a circumference of 3140 with ab as one of the diameters . a scooter is moving from A to B along a circular path find his distance and displacement .what will be the displacement if it covers three quarters of the circle
Answer» Answer: Explanation: If the CIRCUMFERENCE is 3140 METRES and AB is the diameter. Then the Distance from A to B would be half the circumference i.e. 31402 1570 metres. Now,The units are Distance 1570 m Speed 10 m/s So Time- Distance Speed 1570 ÷10= 157 seconds And the Displacement is the Diameter. So,π=Circumference ÷Diameter πx Diameter= Circumference Diameter =Circumference÷π (To make THINGS Simpler are taking the first Three 3 digits of pi i.e. 3.14 as 22/7- 3.1415.....) =3140÷ 3.14 =>3140÷3.14= 1000 So the Displacement or Diameter= 1000 Metres And the Time 157 seconds.

a circular track has a circumference of 3140 with ab as one of the diameters . a scooter is moving from A to B along a circular path find his distance and displacement .what will be the displacement if it covers three quarters of the circle

Answer»

Answer:

Explanation:

If the CIRCUMFERENCE is 3140 METRES and AB is the diameter.

Then the Distance from A to B would be half the circumference i.e. 31402 1570 metres.

Now,The units are Distance 1570 m

Speed 10 m/s

So Time- Distance Speed 1570 ÷10= 157 seconds

And the Displacement is the Diameter.

So,π=Circumference ÷Diameter πx Diameter= Circumference

Diameter =Circumference÷π

(To make THINGS Simpler are taking the first Three 3 digits of pi i.e. 3.14 as 22/7- 3.1415.....)

=3140÷ 3.14

=>3140÷3.14= 1000

So the Displacement or Diameter= 1000 Metres

And the Time 157 seconds.

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