Numerade

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Behavioralism Edward Thornton theory, stated that responses that produce satisfying effects become more likely to occur again and respond to produce discomforting effects become less likely to occur again is called

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The momentum of a 0.2500 kg particle is -980.0 kgm/s. What is the speed of the particle?

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Question 6 (2 points) In terrestrial organisms, which part of the eye does MOST of the focusing of light on the photoreceptors? • lens cornea • ciliary body • pecten fovea Question 7 (2 points)

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a) $\sin(3x^2) + 2^{-5x} - e^{3x} + \tan(\sqrt{2x})$

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Problem 7 (10 points) Draw a few (at least three) contours for the following graphs, and use those contours to name the shape of the shapes of the graphs. (a) $z = 3x^2 + 3y^2$ (b) $z = \sqrt{6x^2 + 6y^2}$ (c) $z^2 = -x^2 - y^2$

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A vector function sphere vec r(t) = (t, t^2, 2t), t>=0 indicates a position of an object moving in time t. 1) Indicate in the coordinate space the path along which the object moves. 2) Find the velocity function vec v(t) and acceleration function vec a(t) of the object. 3) If the point in the coordinate space in which the object is located at time t is P(t), indicate P(1) and P(2) on the path in which the object has moved. Then express the velocity vectors v(1) and v(2) as vectors with P(1) and P(2) as viewpoints, respectively.

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do it urgent needed 16. When playing roulette at a casino,a gambler is trying to decide whether to bet $20 on the number 18 or to bet s20 that the outcome is any one of the five possibilities 00,0,1,2,or 3.The gambler knows that the expected value of the $20 bet for a single number is -$2.10.For the $20 bet that the outcome is 5 33 00,0,1,2,or 3,there is a probability of 38 a.Find the expected value for the $20 bet that the outcome is 00,0,1,2,or 3 b.Which bet is better:a S20 bet on the number 18 or a S20 bet that the outcome is any one of the numbers 00,0,1,2,or 3? Why a.The expected value is S (Round to the nearest cent as needed.) b.Since the expected value of the bet on the number 18 is (1) than the expected value for the bet that the outcome is 00,0,1,2,or 3,the bet on (2) is better. (1) O less O greater 2Othe single number O00,0,1,2,or 3

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If f(3) = 10, f' is continuous, and ∫[f'(t) dt] = 23, what is the value of f(6)? Answer:

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Problem 33 (1 pt) .750 C $\circ\text{\textasciitilde}.010$ A C D $\angle$.002 C $\perp$.0025 A B 1.500 .750 D $\perp$.0022 A 45° 1.750 $\pm$.005 700 1.000 $\perp$.001 A 3.050 $\pm$.005 $\phi$.005 A C E E 0.375 $\pm$.004 THRU $\phi$.003 M A C B A $\phi$0.500 $\pm$.004 THRU $\square$.0025 .250 $\pm$.003 Assume that a part is fabricated to the specifications illustrated above. Which one of the planar surfaces listed as datum features will have the smallest allowable flatness error? surfaces? a) Datum feature A b) Datum feature B c) Datum feature C d) Datum feature D

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The dynamic system of Figure 1 is given. The following parameters are also given: m = 1 kg, C = 3.873 N-s/m, and K = 100 N/m. Xo = 0.01 m, and Ï‰ = 7.746 rad/s. a) Derive the equation of motion. (10 points) b) What is the natural frequency and the general solution, Xc(t)? No need to solve for constants A and B. (10 points) c) What is the particular solution, Xpt? (10 points) x = Xcos(Ï‰t) Figure 1

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todd o.