Mathematics > QUESTIONS & ANSWERS > MATH CALCULUS QUESTIONS WITH CORRECT ANSWERS TO BOOST YOUR GRADES.. (All)

Exam Name SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 1) A velocity vector has components 36 m/s westward and 22 m/s northward. Wh... at ar1e)the magnitude and direction of this vector? Answer: MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question 2) The x component of vector A is 8.7 units, and its y component is -6.5 units. The magAnitude2)of is closest to A) 9.9 units B) 12 units C) 11 units D) 7.9 units E) 8.9 units Answer: 3) When rolled down a mountainside at 7.0 m/s, the horizontal component of its velocity vecto3r) was 1.8 m/s.What was the angle of the mountain surface above the horizontal? A) 15° B) 75° C) 57 ° D) 33° Answer 4) When Jeff ran up a hill at 7.0 m/s, the horizontal component of his velocity vector was 5.1 m4/)s. What was the vertical component of Jeff's velocity? A) 3.4 m/s B) 3.8 m/s C) 4.8 m/s D) 4.3 m/s Answer: 5) The x component of vector A is 5.3 units, and its y component is -2.3 units. The angle that5v) ector A makes with the +x-axis is closest to A) 340° B) 250° C) 23° D) 110° E) 160° Answer: SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 6) A vector in the xy-plane has an x component of -7.50 units. What must be the y 6) component of this vector so that its magnitude is 10.0 units. (Note: There are two possible answers.) Answer: MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question 7) A displacement vector is 34.0 m in length and is directed 60.0° east of north. Selecting fro7m) the choices in the table below, what are the components of this vector? Northward Eastward choice component component 1 29.4 m 17.0 m 2 18.2 m 28.1 m 3 22.4 m 11.5 m 4 17.0 m 29.4 m 5 25.2 m 18.2 m A) choice 1 B) choice 2 C) choice 3 D) choice 4 E) choice 5 Answer: 8) A player throws a football 50.0 m at 61.0° north of west. What is the westward component8o)f the displacement of the football? A) 64.7m B) 74.0 m C) 55.0 m D) 0.00 m E) 24.2 m Answer: SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. ..........................................................................................continued................................................................................................. [Show More]

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