Question

Solve This ; Mods And Stars

★An artificial satellite is moving in a circular orbit of radius 42250 km. Calculate its speed if it takes 24 hours to revolve around the earth.

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Answer 1

Answer:

11065.47 km/h

Explanation:

Given -

• Radius of the circular orbit (R) = 42250 km.
• Time = 24 hours.

To find -

• Speed of the artificial satellite.

Solution -

Circumference of the circular orbit = 2πR

→ Circumference = 2 × 3.14 × 42250

→ Circumference = 265571.42 km

Now, Speed of the satellite = circumference/time

→ Speed of the satellite = 265571.42/24

→ Speed of the satellite = 11065.47 km/h

Answer 2

Explanation:

Given that

The radius of the orbit = 42250 km

Find out

Speed if it takes 24 hours to revolve around the earth

Solution

Therefore, circumference of the orbit = 2*π*42250km = 265571.42 km

Time taken for the orbit = 24 hours

Therefore, speed of the satellite = 11065.4 km.h-1

The satellite orbits the Earth at a speed of 11065.4 kilometers per hour.

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