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blondinia [14]
2 years ago
9

An astronaut drops a rock into a crater on the moon the distance d(t), in meters, the rock travels after T seconds can be modele

d by the function d(t)= .8t^2.what is the average speed in meters per second of the rock between five and 10 seconds after it was dropped

Mathematics
1 answer:
stepladder [879]2 years ago
3 0
  speed = distance/time
The average speed will be the change in distance divided by the change in time.
  (d(10) -d(5))/(10 -5) = (80 -20)/5 = 12 . . . . meters per second

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