The dot product of a̟ · a, is equal to: a. sin 0 cos o b. sin ø cos e c. cos o cos 0 d. sin ø sin 0
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- If the speed of a particle is doubled, what happens to its kinetic energy? a. It will be half. b. It will be square root of twice as large. c. It will be four times bigger. d. It does not change e. It will be twice as big.plz use g =9.8You have 2 positive charges, Q+ and +4Q. Ther are fixed on the axis shown on the image. They are 1.2 m appart. A nagative charged particle -q, is placed gently between the two positive charges and it remains at rest. The distance between the particle (z) and the other particle that's negative is? (Units are cm for the following options) a. 24. B. 30. C. 40. D. 60. E. 80
- Which of the following statement is true about the relationship between the dot product of two vectors and the product of magnitudes of the vectors? a. A.B is larger than AB b. A.B is smaller than AB c. A.B could be larger or smaller than AB, depending on the angle between the vectors d. A.B could be equal to AB4. Always begin by writing the general form of an equation. Insert numbers and units. Remember to show all work (and units). Present the solution well organized and clearly. answer should be: a) F=566N, FN=1.13x103N just need an explanation on how to get to this.P2 = 50 Pa U, = ??? P1 = 200 Pa Ah =10 m υ, 10 m/s
- 1.48 The angle between two vectors is 0. (a) If 0 = 30.0°, which has the greater magnitude: the scalar product or the vector product of the two vectors? (b) For what value (or values) of are the magnitudes of the scalar product and the vector product equal?Here's how gym membership works for a potential customer: If the customer decides to join the gym, she will pay J on day 0. Then, she can use the gym starting the next day for 5 days (1; 2; 3; 4; 5), paying an additional F on each day she visits. If she goes to the gym on any given day, it costs her (10+ F) that day, but beneÖts her 30 the next day. In other words, her "costs" are a sum of her psychic costs (10) and actual Onancial costs (F). Assume that, when indi§erent, the individual will go to the gym. (a) Suppose the potential customer is a standard exponential discounter with a discount factor of = 12. If gym membership was free (i.e. J = 0 and F = 0) would she join the gym? If so, how many days would she actually go? (b) Suppose the gym did not charge a joining fee. How high could it set the usage fee? What would its revenues from this customer be? (c) Suppose instead the gym decided not to charge a usage fee. How high could it set the joining fee? [Hint: To Ögure out the…Q1 The moment equation for a triangular distributed load, wo 30 N/m acted on a beam (Figur Q1) with a length, L- 5 m is given as: M₂-5x³-112.5x + 125 By performing your calculation in 3 decimal points: Determine the most positive roots of the system, x by using Newton Rhapson Method. Use initial value of x = 3. Iterate until |E <0.25). (b) Determine the most positive roots of the system, x by using Secant Method. Use initial value of x= [3,5]. Iterate until E<0.25).