Magnitude of the momentum of a baseball thrown
A baseball has a mass of about 155 g. What is the magnitude of the momentum of a baseball thrown at a speed of 98 miles per hour? (Note that you need to convert mass to kilograms and speed to meters/second. A mile is 1.6 kilometers or 1600 meters.)
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Create a Venn Diagram and label each of the 2 circles. What is the chance of getting a card that is either an All Star nor an autograph? What is the chance of getting a card that contains neither an All Star nor an autograph?
(a) Find the work (J) done on the gas. (b) Find the change of internal engergy (J) of the gas. (c) Find the amount of heat (J) we added to the gas to keep it at constant temperature. Be sure to include the correct signs on the answers.
Determine (a) the compressor power, in kW, (b) the refrigerating capacity, in tons(1 ton of refrigeration=3.52 kW), and (c) the coefficient of performance. Show the cycle on a T-s diagram.
How would you characterize the degree of correlation between X and Y. moderate, negative correlation
A baseball has a mass of about 155 g. What is the magnitude of the momentum of a baseball thrown at a speed of 98 miles per hour? (Note that you need to convert mass to kilograms and speed to meters/second. A mile is 1.6 kilometers or 1600 meters.
Suppose that due to the cost of a survey, you must reduce your random sample from 100 to 64. Which of the following statements is true? The margin of error for our 99% confidence interval would increase.
Consider a roulette wheel with 18 red, 18 black, and 2 green spaces. If we only consider 1 spin, the conditional probability that it lands on red - given that it does not land on black is?
Oakdale is 21 km from the end of the line, and metro station is 96 km from the end of the line. A. What was the commuter's average speed getting to work?
What are the null and alternative hypotheses? What is the value of the test statistic? What is the P-value of the test statistic? Is their experience evidence that the tutoring program has been effective?
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