a 60 kg marathon runner runs up the stairs to the top of Chicago’s 443m tall...
Homework Answers
Mass of the runner, m= 60kg
Acceleration due to gravity, g = 9.8 m/s2
Time taken t= 15 min = 900s
Height to climb h= 443m
Now Power, P = Energy per unit time = E/t = mgh/t = (60*9.8*443) /900
So P = 289.43 Watt
Power required by average horse = P/1 horsepower = P/746 = 0.3879hp
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60 kg marathon runner runs up the stairs to the top of Chicago’s
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The Joule () is the SI unit of energy. (J = kg:m? S2 A calorie is another unit of energy. The definition of a calorie is the amount of heat (energy) necessary to raise the temperature of Ig of water by 1° Celsius. Ig of water occupies 1 milliliter (ml) = 1 cubic centimeter (cm) of volume. lkcal=4186J Energy comes in many forms and energy may be converted...
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True
False
2. Kinematics is the study of motion without regard to its
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False
3. The similarity between the Macrocycle Flowchart, the Training
Pyramid and the Goals for Performance pyramid can be best described
as an athlete should have a structured foundation and not proceed
too early.
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False
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