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A space craft is at 4525 km above the earth's surface. If it descends at the rate of 5 km per minute. What will be its position after 9 hours?

Sagot :

Parrainidn

Answer: 1,825 km above the surface

Step-by-step explanation:

Find out the number of minutes in 9 hours:

= 9 * 60 mins

= 540 mins

The space craft is descending at 5km per minute. In 540 minutes it would have descended:

= 540 * 5

= 2,700 km

Its new position would be:

= Old position - Change in position

= 4,525 - 2,700

= 1,825 km above the surface

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