X y x y are scalar - Study guides, Class notes & Summaries

PHY 250 Exam Questions and Answers | Latest 2023/2024 | StraighterLine (GRADED). Which of the following statements concerning an object in free fall through the atmosphere is incorrect? Select one: a. Air resistance opposes the motion of an object moving through air and exists because a moving object collides with air molecules. b. The speed of a falling object increases due to the frictional force of air drag. c. Given two spherical objects made of the same material and dropped from the sam...

NLN PAX 2022 QUESTIONS & ANSWERS, GRADED A+ The editor rejected the illustrations saying the color was too drab. The illustrations lacked -Contrast -Detail -Variation -Luster answer Luster The lawyer found the witness's testimony assailable from certain angles. Assailable means -Rescindable -Vulnerable answer Vulnerable Anna was invariably late for her classes. Invariably means -Never -Rarely -Occasionally -Constantly answer Constantly The association of a roadrunner to a coyo...

PHY 250 General Physics I All Exams Questions and Answers Latest 2023/2024 – StraighterLine (GRADED). What is the acceleration of a skydiver at terminal velocity whose mass is 80 kg and cross-sectional area is 14 m . The density of the air he is falling through is 0.9984 g / m . The drag coe_cient has a value of 0.485. Select one: a. 15.2 m / sec b. 56.4 m / sec c. 0 m / sec d. 481 m / sec e. None of the above The correct answer is: 0 m /sec Calculate , where v = 0.227 m/s...

Arc length in space - correct answer unit tangent vector formula - correct answer Find arc length parametrization - correct answer 1. find the arc length (s =xt) 2. solve for t 3. plug back into position equation to get r(s) Formula for curvature - correct answer unit normal vector formula - correc...

MAT 202 Chapter 2 | Questions and Correct Answers | latest Update 2024/2025 | 100% Pass Linear Transformation - Answer -A function T from Rm to Rn is a L.T if there exists an n x m matrix such that T(x)=Ax for all X in vector space Rm The columns of the matrix of a linear transformation - Answer -The matrix of transformation has column vectors T(e1), T(e2), etc. where e's are the standard vectors Linear Transformation(proofs) - Answer -1) T(kx)=KT(x) 2) T(x +y)=T(x) +T(y) (x and y i...

What do you need to do to add / subtract fractions? - ANSWER-Get a common denominator How do you multiply fractions? - ANSWER-Multiply numerators and multiply denominators How do you divide by a fraction / what do you do if you have a fraction in the denominator? - ANSWER-Multiply the entire term by the reciprocal fraction Compute. (1/3) + (7/5) - ANSWER-(1/3) + (7/5) (5+21)/15 = 26/15 Compute. [(3x-1) / (x^2-2)] + [1/(x-1)] - ANSWER-[(3x-1) / (x^2-2)] + [1/(x-1)] [(3x-1)(x+1) +...

Sophia College Algebra Milestone 5. Score 19/22 You passed this Milestone 19 questions were answered correctly. 3UquNestiIonTs we5re a—nswerMed inIcLorrEectSly.TONE 5 Susan monitors the number of strep infections reported in a certain neighborhood in a given week. The recent numbers are shown in this table: Week Number of People 0 20 1 26 2 34 3 44 According to her reports, the reported infections are growing at a rate of 30%. If the number of ...

An amusement park game consists of throwing a quarter into a small bowl. If you win, you get to take home a giant purple stuffed elephant. The dish is on a shelf that is 0.4 m above the point where the quarter leaves your hand. The horizontal distance between the bowl and the place where the quarter leaves your hand is 1.8 m. Ignoring air drag, if you toss the quarter at an angle of 60°, what initial velocity is needed to bring home the giant purple stuffed elephant? correct answer: 4.8 m / s ...

Speed - correct answer-The rate of change of distance Velocity - correct answer-The rate of change of displacement Displacement (mechanics) - correct answer-The vector measurement of distance in a certain direction Vector Quantity - correct answer-Has both magnitude and direction Scalar Quantity - correct answer-Has only magnitude Average speed - correct answer-Calculated by dividing the total distance for a journey by the total time for the journey Instantaneous speed - correc...

SOPHIA| College Algebra - Final Milestone with Answers!!| SPRING 2021 You passed this Milestone 23 questions were answered correctly. 2 questions were answered incorrectly. 1 Which of the following equations is correctly calculated? • -2 × -7 = -14 • 81 ÷ -9 = -9 • -36 ÷ 4 = 9 • 4 × 12 = -48 RATIONALE This is correct. The quotient of a positive and negative number is always negative. This is incorrect. The product of two negative numbers is...