Absolute C++
6th Edition
ISBN: 9780133970784
Author: Walter Savitch, Kenrick Mock
Publisher: Addison-Wesley
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In physics, an object that is in motion is said to have kinetic energy. The following formula can be
used to determine a moving object's kinetic energy:
KE = ½ m v2
The variables in the formula are as follows: KE is the kinetic energy, m is the object's mass in
kilograms, and v is the object's velocity, in meters per second. Write a function named
kineticEnergy that accepts an object's mass (in kilograms) and velocity (in meters per second) as
arguments. The function should return the amount of kinetic energy that the object has.
Demonstrate the function by calling it in a program that asks the user to enter values for mass and
velocity.
In physics, an object that is in motion is said to have kinetic energy. The following formula can be used to determine a moving object’s kinetic energy:
KE = 1⁄2 mv2
The variables in the formula are as follows: KE is the kinetic energy in joules, m is the object’s mass in kilograms, and v is the object’s velocity in meters per second.Write a function named kineticEnergy that accepts an object’s mass (in kilograms) and velocity (in meters per second) as arguments. The function should return the amount of kinetic energy that the object has. Demonstrate the function by calling it in a program that asks the user to enter values for mass and velocity.
//
// Write a function that calculates the amount of money a person would earn over
// a period of years if his or her salary is one penny the first day, two pennies
// the second day, and continues to double each day. The program should ask the
// user for the number of years and call the function which will return the total
// money earned in dollars and cents, not pennies. Assume there are 365 days
// in a year.
//
function totalEarned (years) {
// Insert your code between here and the next comment block.
Do not alter
//
// any code in any other part of this file.
// Insert your code between here and the previous comment block.
// any code in any other part of this file.
Do not alter //
//
var years = parseInt(prompt('How many years will you work for pennies a day? '));
var totalDollarsEarned = totalEarned (years);
alert('Over a total of ' + years + ', you will have earned $' + totalDollarsEarned);
Chapter 3 Solutions
Absolute C++
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