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The acceleration of a car t seconds after the driver steps on the brake, before the car comes to a full stop, is a(t) = -(t - 6)² mph per second. What's the decrease in velocity in mph 5 seconds after the brake is applied?

The acceleration of a car t seconds after the driver steps on the brake, before the car comes to a full stop, is a(t) = -(t - 6)² mph per second. What's the decrease in velocity in mph 5 seconds after the brake is applied?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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The acceleration of a car t seconds after the driver steps on the brake, before the car comes to a full stop, is a(t) = -(t - 6)² mph per second. What's the decrease in velocity in mph 5 seconds after the brake is applied? mph Submit Answer Tries 0/99 A faucet is turned on at 9:00am and water starts to flow into a tank at the rate of r(t) = 6√t, where t is time in hours after 9:00am and the rate r(t) is in cubic feet per hour. 1. How much water, in cubic feet, flows into the tank from 10:00am to 1:00pm? Submit Answer Tries 0/99 cubic feet 2. How many hours after 9:00am will there be 46 cubic feet of water in the tank? Round your answer to the nearest tenth. hours Submit Answer Tries 0/99
Transcribed Image Text:The acceleration of a car t seconds after the driver steps on the brake, before the car comes to a full stop, is a(t) = -(t - 6)² mph per second. What's the decrease in velocity in mph 5 seconds after the brake is applied? mph Submit Answer Tries 0/99 A faucet is turned on at 9:00am and water starts to flow into a tank at the rate of r(t) = 6√t, where t is time in hours after 9:00am and the rate r(t) is in cubic feet per hour. 1. How much water, in cubic feet, flows into the tank from 10:00am to 1:00pm? Submit Answer Tries 0/99 cubic feet 2. How many hours after 9:00am will there be 46 cubic feet of water in the tank? Round your answer to the nearest tenth. hours Submit Answer Tries 0/99
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