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Chapter: 2 / Q: 8
(Current time) Listing 2.7, ShowCurrentTime.java, gives a program that displays the current time in GMT. Revise the program so that it prompts the user to enter the time zone offset to GMT and displays the time in the specified time zone. Here is a sample run:
Chapter: 2 / Q: 9
(Physics: acceleration) Average acceleration is defined as the change of velocity divided by the time taken to make the change, as shown in the following formula:
Chapter: 2 / Q: 10
(Science: calculating energy) Write a program that calculates the energy needed to heat water from an initial temperature to a final temperature. Your program should prompt the user to enter the amount of water in kilograms and the initial and final temperatures of the water. The formula to compute
Chapter: 2 / Q: 11
(Population projection) Rewrite Programming Exercise 1.11 to prompt the user to enter the number of years and displays the population after the number of years. Use the hint in Programming Exercise 1.11 for this program. The population should be cast into an integer. Here is a sample run of the prog
Chapter: 2 / Q: 12
(Physics: finding runway length) Given an airplane’s acceleration a and take-off speed v, you can compute the minimum runway length needed for an airplane to take off using the following formula:
Chapter: 2 / Q: 13
(Financial application: compound value) Suppose you save $100 each month into a savings account with the annual interest rate 5%. Thus, the monthly interest rate is 0.05/12 = 0.00417. After the first month, the value in the account becomes
Chapter: 2 / Q: 14
(Health application: computing BMI) Body Mass Index (BMI) is a measure of health on weight
Chapter: 2 / Q: 15
(Geometry: distance of two points) Write a program that prompts the user to enter two points (x1, y1) and (x2, y2) and displays their distance between them. The formula for computing the distance is
Chapter: 2 / Q: 16
(Geometry: area of a hexagon) Write a program that prompts the user to enter the side of a hexagon and displays its area. The formula for computing the area of a hexagon is
Chapter: 2 / Q: 17
(Science: wind-chill temperature) How cold is it outside? The temperature alone is not enough to provide the answer
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