In a computer simulation, a satellite orbits around earth at a distance from the earth's surface of miles. the orbit is circular, and one revolution around earth takes 10.3 days. assuming the radius of the earth is 3960 miles, find the linear speed of the satellite. express the answer in miles per hour to the nearest whole mile.

The linear speed of the satellite is 101 miles/hour.

Step-by-step explanation:

Time taken by the satellite to complete 1 revolution around the earth = T

T= 10.3 days = 247.2 hours

1 day = 24 hours

Radius of the earth = r = 3960 miles

Distance of the satellite from the center of the earth will be close the radoisu of the earth.

Distance of the satellite from the center of the earth, R ≈ r

Circular distance covered by satellite ,D= 2πR

Speed of the satellite :

100.6529 miles/hour ≈ 101 miles /hour

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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