Answer :
To calculate how much fluid an athlete should consume per hour, we can use the sweat rate calculation.
The formula for sweat rate is:
- Sweat Rate = (Pre-exercise weight - Post-exercise weight + Fluid consumed) / Exercise time
Let's plug in the values given in the question. Pre-exercise weight:
- 147 lbs Post-exercise weight, 145 lbs Fluid consumed, 30 oz Exercise time, 1 hour First, we need to convert the weights from pounds to ounces, since the fluid consumed is in ounces. Pre-exercise weight 147 lbs 16 oz/lb = 2352 oz Post-exercise weight 145 lbs 16 oz/lb = 2320 oz
Now we can substitute the values into the formula and solve for the sweat rate:
- Sweat Rate = (2352 oz - 2320 oz + 30 oz) / 1 hour Sweat Rate = 62 oz / 1 hour Sweat Rate = 62 oz/hour So the athlete's sweat rate is 62 ounces per hour.
To calculate how much fluid the athlete should consume in cups per hour, we need to convert ounces to cups. There are 8 ounces in a cup:
- Fluid consumed = 62 oz / 8 oz/cup Fluid consumed = 7.75 cups Therefore, the athlete should consume approximately 7.75 cups of fluid per hour.
About Weights
In physics, the weights of an object is the force due to gravity related to the object's mass. The mass of an object is fixed everywhere, but the weight of an object will vary according to the magnitude of the acceleration due to gravity in that place. w = mg. Since weight is a force, scientists also write the equation as F = mg. F = symbol for weight, measured in Newtons, N. m = symbol for mass, measured in kilograms, or kg. Units of weight include milligrams (mg), centigrams (cg), decigrams (dg), grams (g), dekagram (dag), hectogram (hg), kilogram (kg), ounce, pound, catty, quintal and tonne.
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