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according to newton's first law
when a body continues in a state of rest or a state of uniform motion contimues in the same state until net external force acted on it.
here 60 kg girl is on the smooth and frictionless frozen surface so there is no net horizontal force acted on her. therefore she does not change her position .
please solve in details and as clear as possible 1) A 60-kg girl is on the...
1) A girl attempts to hit her brother with a water balloon from her bedroom window. He is 6.1 meters below her and 3.1 meters away horizontally. If she throws the balloon out the window at an angle of 45 degrees upward, at what speed should she throw the balloon? 2) A rocket with a mass of 2,600 kg is moving at 2,000 m/s. A retrorocket is used to decelerate it to 1,000 m/s in 11 second. What force would...
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The following information is given for The Market Place on September 30, 19X4. $14,630 10,921 2,160 Cash book balance Cash bank balance Outstanding checks Service charges Interest on checking NSF check Deposits in transit 38 54 401 6,345 Book error - recorded a deposit for cash sales...
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1. Consider the matrix A = [ 24 31. a) (7 pnts) Find the characteristic polynomial of A. b) (7 pnts) Compute the matrix B = A- 2A +812. c) (6 pnts) Can you describe how to find the inverse of A using characteristic equation? 2. a) (7 pnts) Solve the second order homogeneous linear differential equation y" - y = 0. b) (6 pnts) Without any solving, explain...
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1. Consider the matrix A = [ 24 31. a) (7 pnts) Find the characteristic polynomial of A. b) (7 pnts) Compute the matrix B = A- 2A +812. c) (6 pnts) Can you describe how to find the inverse of A using characteristic equation? 2. a) (7 pnts) Solve the second order homogeneous linear differential equation y" - y = 0. b) (6 pnts) Without any solving, explain how would you change the above...
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2. a) (7 pnts) Solve the second order homogeneous linear differential equation y" - y = 0. b) (6 pnts) Without any solving, explain how would you change the above differential equation so that the general solution to the homogeneous equation will become G cos x + cz sinx. c) (7 pnts) Solve the second order linear differential equation y" - y = 3e2x by using Variation of Parameters. 3. a)...
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A swimming pool measures a length of 5.3 m, width 3.8 m, and depth 3.1 m Part A Compute the force exerted by the water against the bottom. Do not include the force due to air pressure. Express your answer using two significant figures. VO AEC A O O ? Submit Previous Answers Request Answer X Incorrect; Try Again; 7 attempts remaining Part B Compute the force exerted by the water against either...
Use the worked example above to help you solve this problem. A merry-go-round modeled as a disk of mass M -8.00 x 10 kg and radius R vertical axle (see figure). 2.20 m is rotating in a horizontal plane about a frictionless (a) After a student with mass 88.0 kg jumps onto the merry-go-round, the system's angu speed decreases to 1.95 rad/s. If the student walks slowly from the edge toward the center, find the angular speed of the system...
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Sami is the head of engineering at Systems Engineering Company SEC. His company has been contracted by another company, U-sub, to make firing assemblies for torpedoes. This contract calls for additional safety testing to ensure that the systems work properly. The contract stipulated that it was the responsibility of Sami's company (SEC) to pay for this expensive additional safety testing. However, the general manager reminds Sami that their...
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Water is to be pumped from one large, open tank to a second large open tank as shown in Figure 1. The pipe diameter throughout is 15 cm and the total length of the pipe between the pipe entrance and exit is 60 m. Minor loss coefficient for the entrance, exit and the elbow are shown, and the Darcy friction factor for the pipe can be assumed constant and equal...
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Case Study - 8 points total 1) You are a Registered Nurse Clinician taking care of Miss. X, a 16-year-old admitted after a pituitary surgery, she is now hypematremic (Na+ = 150 mmol/L) secondary to diabetes insipidus. The doctor prescribes Vasopressin, a synthetic form of Antidiuretic Hormone (ADH), based on her weight. Before you administer this medication, you explain your thought process to yourself a) Explain the action of Antidiuretic Hormone (ADH) and...