If you begin an exercise program and burn 5 cal per minute by walking how many hours of walking per day would you have to do in two weeks to lose 5 pounds you must burn an extra 3500 cal to lose 1 pound of body weight

4.2 hours

Explanation:

For losing 1 pound of weight 3500 calories need to be burnt.

So, for losing 5 pounds of weight the total amount of calories that need to be burnt = 3500 × 5 = 17500 calories.

It has been given in the question that you have to lose 5 pounds = 17500 calories in two weeks.

So daily target of losing weight = = 1250 calories.

Now,

Since 5 calories are burnt by 1 minute of exercise

So, duration of exercise to burn 1250 calories will be = = 250 minutes.

So the duration of daily exercise in hours = = 4.2 hours

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.