2. You want to estimate from how high if it is safe to jump onto a concrete floor. For this, you consider impulse and the force of impact. If you jump from a chair of height of 0.50 m, and land on a concrete floor with stiff legs, it just starts to hurt. Therefore, you consider the average force on your body in such a landing to be your 'safe limit'. In this case, you estimate that your body moves by about 0.75 cm during the landing. If you allow yourself to bend your knees upon landing on the same concrete floor, you are able to mitigate the force of impact. You estimate that, when bending your knees during landing, your body moves by about a foot, or 0.30 m. For the purpose of this exercise, you consider yourself with a mass of 60 kg. Given the estimates made above, from how high can you safely jump onto a concrete floor?
2. You want to estimate from how high if it is safe to jump onto a concrete floor. For this, you consider impulse and the force of impact. If you jump from a chair of height of 0.50 m, and land on a concrete floor with stiff legs, it just starts to hurt. Therefore, you consider the average force on your body in such a landing to be your 'safe limit'. In this case, you estimate that your body moves by about 0.75 cm during the landing. If you allow yourself to bend your knees upon landing on the same concrete floor, you are able to mitigate the force of impact. You estimate that, when bending your knees during landing, your body moves by about a foot, or 0.30 m. For the purpose of this exercise, you consider yourself with a mass of 60 kg. Given the estimates made above, from how high can you safely jump onto a concrete floor?
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Transcribed Image Text:2. You want to estimate from how high if it is safe to jump onto a concrete floor. For this, you consider
impulse and the force of impact.
If you jump from a chair of height of 0.50 m, and land on a concrete floor with stiff legs, it just starts to
hurt. Therefore, you consider the average force on your body in such a landing to be your 'safe limit'. In
this case, you estimate that your body moves by about 0.75 cm during the landing.
If you allow yourself to bend your knees upon landing on the same concrete floor, you are able to
mitigate the force of impact. You estimate that, when bending your knees during landing, your body
moves by about a foot, or 0.30 m.
For the purpose of this exercise, you consider yourself with a mass of 60 kg.
Given the estimates made above, from how high can you safely jump onto a concrete floor?
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