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the elevator in an office building starts at ground level and goes up at a speed of 6 feet per second for 7.5 second then it goes down at a speed of 10 feet per second for 8 seconds what is the elevators elevation now

the elevator in an office building starts at ground level and goes up at a speed of-example-1

1 Answer

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when it is going up


x=16\cdot7.5=120

so when it stops, it has a elevation of 120 feet


x=120-10\cdot8=40

so the final elevation is 40 feet

User Steffo Dimfelt
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