# Physics homework

Anonymous

Question description

1. How much work is required to lift a 25 pound dumbell to perform a shoulder press exercise if arm length is 2 feet?

2. How much power is generated if it takes 2 seconds to perform the lift?

3. I ran my first 10k race in 1 hour and 10 minutes. Please calculate the average time it took me to run each mile. (Min/mile pace)

4. What was my velocity (in metric units to above question)

5. If i weigh 120 lbs, how much work did i do during that race?

6. How much power did i generate? (From above question)

7. How much work does it take for a 200 pound man to perform a full pushup( chest touches ground) if his arm length is 1.8 feet?

8. How much power does he generate if he does these continously for 1 minute? ( from above question)

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