A 75-kg sprinter accelerates from rest to a speed of 11.0 m/s in 5.0 s. (a) Calculate the mechanical work done by the sprinter during this time. (b) Calculate the average power the sprinter must generate. (c) If the sprinter converts food energy to mechanical energy with an efficiency of 25%, at what average rate is he burning Calories? (d) What happens to the other 75% of the food energy being used?
Answers (1)
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “A 75-kg sprinter accelerates from rest to a speed of 11.0 m/s in 5.0 s. (a) Calculate the mechanical work done by the sprinter during this ...” in 📙 Physics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers
You Might be Interested in
Which type of energy is stored in a capacitor? electric potential energy chemical energy gravitational energy heat energy
Answers (1)
Which type of power station has the fastest start up time? Coal, natural gas, nuclear or oil?
Answers (1)
Match the words in the left-hand column to the appropriate blank in the sentences in the right-hand column. use each word only once.
Answers (1)
When an automobile rolls on pavement, the instantaneous center of one of its wheels is located on the wheel axle. True o False
Answers (1)
A velocity vs. time graph for an object is shown. A graph titled Velocity versus Time shows time in seconds on the x axis, numbered 0 to 5, velocity in meters per second on the y axis, numbered 0 to 5. A line starts at the origin and ends at (5, 5).
Answers (1)
New Questions in Physics
A group of scientists is trying to launch an object into orbit, and the object is traveling at 6500 m/s. Which best explains why the object will not successfully orbit Earth? A.) There is not enough air resistance to keep the object moving. B.
Answers (1)
Why is a coin able to float on top of water in a glass
Answers (1)
Here we will look at a more complex problem for which we will use all three of our primary constant acceleration equations. a motorcyclist heading east through a small iowa town accelerates after he passes a signpost at x=0 marking the city limits.
Answers (1)
Drag each tile to the correct box. Arrange the objects in order from least to greatest potential energy. Assume that gravity is constant. (Use PE = m * g * h.) 1.) a 15-kilogram stone found at a height of 3 meters 2.
Answers (1)
On a cold winters da, y, If you left a drink setting outside, it could freeze. Explain why in a complete sentence Hint-Consider th kinetic theory of heat that explains that temperature is directly related to kinetic energy of atoms.
Answers (1)