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What is the primary energy source for a long distance runner?
The primary energy source for a long distance runner is carbohydrates, stored as glycogen in the muscles and liver. As the runner exercises, the body breaks down the glycogen into glucose to provide energy for the muscles. In longer races like marathons, the body may also start using stored fat as an energy source.
Tony is a long-distance runner What type of food would be his best source of energy before an important race?
To drink he should have something like Gatorade and to eat before a run you don't want anything too heavy .Maby something that has a good amount of protein and fruit is great to have before a run.
The muscles of a runner transform chemical potential energy into what?
The muscles of a runner transform chemical potential energy stored in carbohydrates and fats into mechanical energy used for movement. This process involves the breakdown of molecules like glucose to produce ATP (adenosine triphosphate), which is the primary energy source for muscle contraction during running.
What will happen to the loudness if The distance between the source and the observer is doubled?
If the distance between the source and the observer is doubled, the loudness of the sound will decrease by about 6 decibels. This is because sound intensity decreases with the square of the distance from the source due to the spreading out of energy over a larger area as the distance increases.
What is the maximum distance at which the riveter is still audible?
The intensity of a sound produced by a point source decreases as the square of the distance from the source. Consider a riveter as a point source of sound and assume that the intensities listed in Table 12.1 are measured at a distance 1 m away from the source. What is the maximum distance at which the riveter is still audible? (Neglect losses due to energy absorption in the air.)
Before the 1950's the main source of energy in Europe was?
Coal.
Why Do You Need Carboyhdrates?
Carbohydrates is a strong source of ATP (adinosinetriphosphate) aka energy. Example: marathon runners need a great deal of energy to continue to run long distances and need fat/carbs to make the distance. If not the runner uses protein (their muscle). Carbs also transfer into fat which if your metabolism is fast would be essential to maintain weight.
Why does sound become fainter as the distance from the source increases?
Sound becomes fainter as distance from the source increases due to the spreading out of sound waves in all directions. This causes the energy of the sound waves to be distributed over a larger area, resulting in less intensity and lower volume at a greater distance from the source.
What sound energy is less when you are farther from the source?
The volume of sound decreases as you move farther away from the source due to the dispersion of sound waves in the environment. This decrease in volume results in less sound energy being received at a greater distance from the source.
Does a lamp get brighter if it is nearest to the energy source?
Yes, a lamp will typically appear brighter when it is closer to the energy source. This is because the light intensity decreases as the distance from the source increases. Placing the lamp closer to the energy source allows for more light to reach the lamp and make it appear brighter.
What is it that moves from source to receiver and wave motion?
The wavelength of a transverse wave is the distance between successive crests.
The loudness of sound can be changed by?
adjusting the amplitude of the sound wave, increasing or decreasing the energy of the sound source, or changing the distance between the listener and the source of the sound.
