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A spaceship is 1600 m long when it is at rest. When it is traveling at...
An electron is accelerated to a speed where its total energy is 218 times larger than its rest energy. How many times is the kinetic energy of the electron larger than its rest energy? 217 E! EUR 161-6535 以前的尝试 What is the kinetic energy of the electron? 1.11x102 MeV TERE! FERTEBEE 161-2997 以前的尝试 What is the speed of the electron in terms of the speed of light? (In this part of the problem you have to enter your answer with...
In a certain RLC circuit, the RMS current is 5.40 A, the RMS voltage is 223 V, and the current leads the voltage by 55.2°. What is the total resistance of the circuit? 2.36x101 ohm 答案| 甜!'明编号是154-1263の以前的尝试 Calculate the total reactance X = (XL-Xc) in the circuit. -3.39x 101 ohm 答案| 甜!'明编号是154-4413の以前的尝试 Calculate the average power dissipated in the circuit. 59.42W 提交答案 错误. Tries 1/12以前的尝试
A spaceship is 1600 m long when it is at rest. When it is traveling at a certain constant speed its length is measured by external observers and it is found to be 1035 m. What is the speed of the spaceship in terms of the speed of light? Submit Answer Tries 0/12 In the kitchen of the spaceship the chef sets the oven timer for 1.75 hours to make roast beef. How much time does the roast beef spend...
A manufacturer claims his light bulbs have a mean life of 1800 hours. A consumer group wants to test if their light bulbs do not last as long as the manufacturer claims. They tested a random sample of 230 bulbs and found them to have a sample mean life of 1790 hours and a sample standard deviation of 50 hours. Assess the manufacturer's claim. a) What is the null hypothesis? 正确:D=1800 错误x = 1800 错误x<1800 错误p> 1800 正确答案! 以前的尝试 您的证明编号是153-43332...
From a nationwide study, we know that the mean diastolic blood pressure is 64.9 mm gH for children aged 5- 6 years of age, and that the measurements are normally distributed. Blood pressure measurements were taken on 11 children aged 5-6 years living in a specific community to determine whether their living conditions resulted in a difference in mean blood pressure. For these children the average diastolic blood pressure was found to be 59.3 mm Hg with standard deviation 7.8...
A spaceship is 1600 m long when it is at rest. When it is traveling at a certain constant speed its length is measured by external observers and it is found to be 565 m. What is the speed of the spaceship in terms of the speed of light? In the kitchen of the spaceship the chef sets the oven timer for 1.80 hours to make roast beef. How much time does the roast beef spend in the oven when...
Accidents recur in a factory at the rate of 5 per week. Assume that accidents happen randomly and independently of each other. Answer the following questions to 3 places past the decimal. a) What is the probability that there is at most 1 accident in a week? 0.0400 正确答案! 您的证明编号是160-831 的尝试 b) What is the probability that there are 2 accidents in a week? 0.0840 正确答案! 您的证明编号是160-3065 c) What is the probability of no accidents on a given day? Assume...
pre Come HOMEWORK due Weds. Spaceship at relativistie speed - Timer Notes Evaluate Feedback A spaceship is 1600 m long when it is at rest. When it is traveling at a certain constant speed its length is measured by external observers and it is found to be 1255 m. What is the speed of the spaceship in terms of the speed of light? Hints: Objects moving at relativistic speeds shrink in the direction of motion. This is the so called...
The last question,Thank you The scatter plot below depicts the homework averages and the final exam scores of 107 Stat 100 students from a previous semester. Final Avg SD 11.7 r0.4 100 HW 81.8 Final 73.6 10.3 C 80 C 60- 40- 20 40 60 80 100 HW a.Find the slope and y-intercept of the regression equation for predicting finals from hw averages. Final 0.35 HW + 44.97 (Round to 2 decimal places.) 上面显示的是正确答案。正确 您的证明编号是164-4131 答案! 以前的尝试 b.Use the above...
ompute the following binomial probabilities using the table of Cumulative Binomial Probabilities. Give your answer to 3 places past the decimal. Compute the following binomial probabilities using the table of Cumulative Binomial Probabilities. Give your answer to 3 places past the decimal a) Binomial cdf value: B(9; 25, 0.4) 0.425 正确答案! 您的证明编号是159-5108 (O LAHIR 以煎的尝试 b.) Binomial cdf value: B(6; 20, 0.2) 0.913 正确答案! 您的证明编号是159-7057。)以前的尝试 c) Binomial pmf value: b(8; 20, 0.4) 0.180 正确答案! 您的证明编号是159-8630 ⓞEAELAR d) Binomial pmf value:...