Why is it difficult to ride a bike with the brakes applied?
When we ride the bicycle without applying the brake, the wheels are free to rotate and hence the rotational frictional force is acting on the wheels. When we apply brakes the wheels are now not free to rotate. We need to drag the wheels to move the bicycle. At this point we have the sliding frictional force acting on the wheels. As sliding frictional force is very high than rolling frictional force we need to apply very large force to make the bicycle move.
The recommended daily calcium intake for a 20-year-old is 1,000 milligrams (mg). One cup of milk contains 299 mg of calcium and one cup of juice contains 261 mg of calcium. What is the inequality that represents the possible number of cups of milk m and cups of juice j a 20-year-old could drink in a day to meet or exceed the recommended daily calcium intake from these drinks alone?
Given, One cup of milk contains 299 milligrams of calcium. Then, m cups of milk contains m* 299 milligrams of calcium. Also, One cup of juice contains 261 milligrams of calcium. Then, j cups of juice contains j*261 milligrams of calcium. The total calcium from m cups of milk and j cups of juice = m*299 + j* 261 milligrams Since the question says to find the inequality so that the calcium intake will be greater than or equal to, the required inequality will be: m*299 + j*261 ≥ 1000
What is meant my method overloading?
The act of defining methods with same name but different parameters is known as method overloading. All of the following are overloaded method: add (int a) add (int a, int b) add (double x ) add (double x, int y )