In a test of military ordnance, a large mumber of bombs were dropped on a target fromvarious heights. The initial velocity of the bombs in the direction of the ground was 0. Let ybe the height in meters from which a bomb is dropped, let x be the time in seconds for thebomb to strike the ground, let w = x, and let y= V. The relationship between x and y isgiven by y = 4.9x. For each of the following pairs of variables, state whether the correlationcoefficient is an appropriate summary.a x andyb. w and yC x and vd. wand ve. Inxand Iny

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Answered: In a test of military ordnance, a large…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The tip of a one-link robot is located at? = 3 ?∕4 rad at time t = 0 s as shownin Fig. P6.5. It takes 2 s for the robot tomove from ? = 3 ?∕4 rad to ? = 3 ?∕4 +2 ?rad. If l = 15 cm, plot the x- andy-components as a function of time.
The tip of a one-link robot is located at? = 3 ?∕4 rad at time t = 0 s as shownin Fig. P6.5. It takes 2 s for the robot tomove from ? = 3 ?∕4 rad to ? = 3 ?∕4 +2 ?rad. If l = 15 cm, plot the x- andy-components as a function of time.
The velocity v (in feet per second) of a rocket whose initial mass (including fuel) is m is given by as attached, where u is the expulsion speed of the fuel, r is the rate at which the fuel is consumed, and g = 32 feet per second per second is the acceleration due to gravity. Find the position equation for a rocket for which m = 50,000 pounds, u = 12,000 feet per second, and r = 400 pounds per second. What is the height of the rocket when t = 100 seconds?
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For items 18-19: A particle is moving on a line at t seconds, s ft is the directed distance of the particle from the origin, v ft/sec is the velocity, and a ft/sec² is the acceleration of the particle. If a(t) = 2t – 1, and v = 3 and s = 4 when t = 1, find the particle's 18. velocity function A. v(t) = t2 – t + 3 C. v(t) = t² – t + 5 B. v(t) = t² – t – 4 D. v(t) = t² – t – 2 19. position function (equation of motion) A. s(t) %3D13-12-41 +는 B.s() ='-2+ 3t +증 C. s(t) = - + 5t –? D. s(t) =t -t² – 2t + 20. The cost of a certain piece of machinery is $700 and its value is depreciating with time according to the dv formula = -500(t + 1)-?, where V dollars is its value t years after its purchase. What is its value 3 years after its purchase? A. $ 320 B. $350 C. $315 D. $325

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