A storage battery discharge at a rate which is proportional to the charge. If the charge is reduced to 50% of its original value at the end of 2 days, how long would it take to reduce the charge to 25% of its original charge?
A storage battery discharge at a rate which is proportional to the charge. If the charge is reduced to 50% of its original value at the end of 2 days, how long would it take to reduce the charge to 25% of its original charge?
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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1. A storage battery discharge at a rate which is proportional to the charge. If the charge is reduced to 50% of its original value at the end of 2 days, how long would it take to reduce the charge to 25% of its original charge?
2. A hot water with 90°C temperature is placed in a room at a constant temperature of 25°C. If after 30 minutes the temperature of the water is 50°C, find (a) the time it will take the water to reach a temperature same as the room temperature and (b) the temperature of the after 45 minutes.
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