Numerade

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Consider the two small, equal-mass, charged balls shown in the figure. The top ball is suspended from the ceiling by a thread, and has a charge of $q_1 = 28.5 \, nC$. The bottom ball has a charge of $q_2 = -58.0 \, nC$, and is directly below the top ball. Assume $d = 2.00 \, cm$ and $m = 7.30 \, g$. (a) Calculate the tension (in N) in the thread. (b) If the thread can withstand a maximum tension of 0.180 N, what is the smallest value $d$ can have before the thread breaks? (Give your answer in cm.)

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If sales revenue doubles, fixed costs will Question 23 options: increase in total. decrease on a per unit basis. decrease in total. increase on a per unit basis. Question 22 options: 8,500 24,366 20,400 32,300

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In the picture below, select the letter (A, B, C or D) associated with the red arrow indicating the location of the peptide bond.

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Find inverse Laplace transform of $\frac{1}{s^4 + 4a^4}$. Solution: $\frac{1}{4a^3} [\sin(at)\cosh(at) - \cos(at)\sinh(at)]$

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Suppose the college is considering a new computerized placement test, which has 47% of all students taking remedial arithmetic. Answer the following probabilities, you may round each to three decimal places. a. If 13 randomly chosen students take the placement test, what is the probability that exactly nine of them will have to take remedial arithmetic? b. If 13 randomly chosen students take the placement test, what is the probability that at least eight of them will have to take remedial arithmetic? c. Of 13 randomly chosen students taking the placement test, what is the probability that at most four of them will have to take remedial arithmetic? For the next two parts, you may round to two decimal places: d. If 670 new students take the placement test, there is a binomial distribution that describes how many will need to take remedial arithmetic. What is the mean of this distribution? e. What is the standard deviation of the distribution in the part (d)?

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The peak of the disease, when you would experience the most intense signs and symptoms, is known as... the convalescent phase the acute or invasive phase the prodromal phase the incubation period

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What are regarded as warning signs of a currency crisis? Can they be used to predict a currency crisis in terms of time and magnitude?

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Approximate the area of the shaded region by using the Trapezoidal Rule with $n = 3$. Correct: 21 Incorrect 28 Incorrect 24 Incorrect 18 Incorrect 14 Incorrect 42

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Determine the resultant R of the two forces applied to the bracket. Write R in terms of unit vectors along the x- and y-axes shown. Answer: (i 146 N 26^ 20^ 201 N 34^ i+ i j) N

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Question 7 When the same net force is applied to object A and object B, object B has an acceleration three times that of object A. Which of the following is correct? Object A has three times the mass of object B. none of above Object B has a different, less streamlined shape than object A. Object B has more friction than object A. Object A has one third the mass of object B.

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john f.