Find the average frictional force
A 2.65 g bullet moving at 896 m/s penetrates a tree to a depth of 4.55 cm.
Use energy considerations to find the average frictional force that stops the bullet.
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At one instant the outer wall moves at a speed of 3.9 m/s, and an 83 kg person feels a 535 N force pressing against his back. What is the radius of the chamber?
A population has mean 53 and standard deviation 12. Calculate the mean of x bar for a random sample of size 10.
A 0.05 significance level is used for a hypothesis test of the claim that when parents use the XSORT method of gender selection, the proportion of baby girls is different from 0.05. Assume that the sample data consist of 55 girls in 100 births, so
One kilogram of this mixture fills a 0.467 m3 container at 1630 kPa. 1)The gas constant of this mixture is: 2)Specific volume of this mixture is: 3)The temperature of this mixture is?
A 2.65 g bullet moving at 896 m/s penetrates a tree to a depth of 4.55 cm. Use energy considerations to find the average frictional force that stops the bullet.
A freshman studying medicine at an Ivy League College is a part of his class crew team and exercises regularly. After a particularly strenuous exercise session, he experiences severe cramps in his thighs and pain in his biceps.
Discuss the following statements and explain why they are true or false: Increasing the number of predictor variables will never decrease the R^2.
A child is twirling a 0.0132 kg ball on a string in a horizontal circle whose radius is 0.106 m. The ball travels once around the circle in 0.490 s. (a) Determine the centripetal force acting on the ball.
What is the final (after cooling) temperature of this water? What is the final quality of this water? How much does the specific internal energy of the water decrease?
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