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1 vote
The altitude liftoff

The altitude liftoff-example-1
User Angela
by
7.8k points

1 Answer

4 votes
when is a=21000?
solve

21000=3400t+600
solve for t
minus 600 both sides
20400=3400t
divide both sides by 3400
6=t

t is in minutes
6 minutes
User Sasigarn
by
8.4k points