In 'coin on card' experiment a smooth card is used. ​

A wave moves in a rope with a certain wavelength. A second wave is made to move in the same rope with twice the wavelength of the first wave. The frequency of the second wave is _______________ the frequency of the first wave. David is paid a salary of $1850 per month. He is also paid time and a half for work in excess of 40 hours a week. He worked 62 hours last week. What is his gross pay? A. A plan for mass casualty incidents should include protective actions to reduce vulnerabilities, response actions to minimize negative consequences, and post incident actions to promote community recovery. B. A partnership approach to planning for mass casualty incidents helps to ensure that the plans for your organization are compatible with those of the agencies that would respond if an incident occurred. C. When an organization is planning for mass casualty incidents, an effective approach is to request law enforcement personnel to develop a separate plan for mass casualty incidents for the organization. D. It is important to customize your emergency plan to reflect the risks, realities, and resources that characterize the local area and your own organization. In an extensive study involving thousands of British children, Arden and Plomin (2006) found significantly higher variance in the intelligence scores for males than for females. Following are hypothetical data, similar to the results obtained in the study. Note that the scores are not regular IQ scores but have been standardized so that the entire sample has a mean of M 5 10 and a standard deviation of s 5 2. a. Calculate the mean and the standard deviation for the sample of n 5 8 females and for the sample of n 5 8 males. b. Based on the means and the standard deviations, describe the differences in intelligence scores for males and females. A chocolate factory uses 16 of a bag of cocoa butter in each packet of chocolate. The factory used 13 of a bag of cocoa butter today. How many packets of chocolates did the factory make? What is the value of y?Enter your answer, as an exact value, in the box. When comparing groups of stars, which group has relatively lowluminosities and temperatures? Market efficiency is probably the most controversial concept in finance. Even recent winners of the Nobel Prize in Economics come down on opposite sides of the issue. Nonetheless, it is important for you to grapple with this idea. It has very important practical implications for investment decisions, including (especially) for your personal investment decision. In particular, should you pursue active or passive strategies Select the structure that correspondsto the name:decanoic acidCOOHA.B. CH3(CH2)7COOHC. both Why does the narrator say, the disease had sharpened my senses, not destroyed, not dulled them? if drop a watermelon from the top of one of the tower dorms at CSU, and it takes 3.34 seconds to hit the ground, calculate how tall the building is in meters and then convert into feet. what is the primary benefit people receive in exchange for paying premiums to an insurance company What are three techniques that can be used to show that the electron transport chain is found on the matrix side of the inner mitochondrial membrane. Select all that apply. A boy leaves station X on a bearing of 035' to station Y. which is 21km away. He then travels to another station Z on a bearing of 125 degrees . If Z is directly East of X, what is the distance from X to his present position? Pathos refers to the credibility of a speaker.TrueFalse when price of indomie noodles was lowered from #50 to #40 per unit, quantity demanded increases from 400 to 600 units per week. calculate the coefficient of price elasticity of demand and determine whether by lowering price this firm has made a wise decision Que es la actividad fsica y en qu mejora PLEASE HELP!!! Which choice is a solution to the system of equations below? A. There are infinitely many solutions B. (-4, 1)C. (4, -1)D. (3, 4) If 0.250 L of a 5.90 M HNO solution is diluted to 2.00 L, what is the molarity of the new solution? PLEASE HELP ASAP 20 POINTS AND BRAINLESTIn the Newsela article "Opinion: Its Important for Kids to See Diverse TV, Movie Characters," what is the author's viewpoint about why stereotyping persists? A: The author understands that without diversity in programming, children will develop low self-esteem.B: The author thinks that children don't need exposure to a diverse selection of media images.C: The author believes that economic pressures force the makers of children's programs to adhere to stereotypes.D: The author is angered by how young children have no appropriate programming to watch.