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1) What is the impulse due to a force rthat causes the speed of a 46 g golf ball to change from 0 to 60.0 m/s in 0.50ms?
2) A 0.250 kg ball of Plasticine moving 5.0 m/s overtakes and collides with a 0.3000 kg ball of Plasticine, traveling in the same directiion at 2.0 m/s. The 2 balls of Plasticine stick together pm collison. What is their speed after the collision.
3) A 4.2 kg rifle shoots a 0.05 kg bullet at a speed of 3.00 * 10^2 m/s. At what speed does the rife recoil?
4) A railroad car of mass 12,000kg is traveling at a speed of 6.0 m/s when it collies with an identical car at rest. Thte two cars look together. What is their common speed after the collision?
5) What impuse is needed to change the speed of a 10 kg object from 1.6 m/s to 25.5 m/s in a time of 5s. How much force is needed?
Explain the difference between a discrete and a continuous random variable. Give two examples of each type of random variable.
Define X as the number of people in the sample who are infected by the diease. What is the distribution of X and what are the parameter values of this distribution?
An article in BusinessWeek discusses the salvage value of bankrupt hedge funds compared with the salvage value of bankrupt consumer lenders.7 Suppose the following data are the value a shareholder can salvage, in cents per invested dollar, for ran..
What are some of the significant problems that transgender suspects face in the criminal justice system and how have the courts responded to this issue? Research current case law on how courts have categorized and placed transgendered inmates in co..
we are interested in conducting a study in order to determine what percentage of voters of a state would vote for the
the length of time in minutes that you have to wait in line at your bank is a random variable with a continuous uniform
you are picking a bouquet of 20 flowers for your mother at random from a garden with 25 coneflowers 35 daisies and 42
Can the college conclude that the students in the new program are significantly different from the freshman class? Use a two-tailed test with an alpha level of .05?
An orange juice producer buys all their oranges from one particular orchard. The amount of juice from the oranges is approximately normally distributed with a mean of 152 ml. and a standard deviation of 41 ml.
1. Describe 5 data collection techniques in your own words.
the average age for licensed drivers in a county is micro 42.6 ? 12 and the distribution is approximately normal. a
suppose a shipment of 50 cell phones has arrived from your supplier the samsing manufacturer. as the engineer for your
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