What work is done by the wall while stopping bullet
A 22.8g bullet , moving initially at 690m/s, penetrates 7.44cm into a solid wall. a) What work is done by the wall while stopping the bullet? b) Assume the force of the wall on the bullet is constant and calculate its value.
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What is its power output in watts? c) At a food conversion efficiency of 7.44%, how many food calories ( one food calorie=4190 joules) must be taken from the daily diet for the heart?
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A sanitation department is interested in estimating the mean amount of garbage per bin for all bins in the city. In a random sample of 40 bins, the sample mean amount was 50.1 pounds and the sample standard deviation was 4.7 pounds. Construct 95%
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