Probability of selecting a boy
In Study Hall 3 of the 16 girls have red hair and 2 of the 15 boys have red hair. What is the probability of selecting a boy or a red haired person to run an errand for the teacher.
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Determine the value of the tubes angular velocity w if after release, the projectile exits the tube with a speed of 90 ft/s. Give answer to 4 sig figs.
A rancher runs a closed herd of breedin cattle.He keeps and breeds the top 3%of bull calves based on individual performance for yearling weight. His sires avg 3 years of age when their offspring are born. He is studying two female replacement stra
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The block has a constant acceleration and is pulled by means of a horizontal spring that is attached to the block. The spring constant of the spring is 405 N/m. By how much does the spring stretch?
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The block is then pulled at a constant speed of 7.15 m/s, during which time the spring is stretched by only 0.0784 m. Find (a) the spring constant of the spring and (b) the coefficient of kinetic friction between the block and the table.
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