3. Which method of adding vectors are subject to committing more mistakes? How and why? What are the factors that causes such errors and suggest ways on how to avoid those factors?
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- Three force vectors are added together. One has a magnitude of 9 N, the second one a magnitude of 18 N, and the third a magnitude of 15 N. What can we conclude about the magnitude of the net force vector? Explain. I. It must equal 42 N. II. It cannot be 0 N. III. Anything from –42 N to +42 N. IV. It can be anything from 0 N to 42 N. V. None of the above can be concluded.6. When adding two perpendicular vectors, which of the following methods is best suited to determining the net vector? a) The component method c) The tip-to-tail method 7. An airplane is taking off with a speed of 260 km/h with its nose at an angle of inclination of 35 degrees. What are the horizontal and vertical components of it's motion (in that order) in km/h? 230, 110 a) b) 110, 230 c) 150, 210 d) 210, 150 8. An object is dropped and hits the ground 6.00 seconds later. From what height was it dropped? (Ignore air resistance). a) 177 m c) 294 m a) b) Magnitude adding method d) Scale diagram method 9. An object reaches a maximum velocity of v₂ by travelling a distance d, with an acceleration of a. How long of a time did this take to accomplish? 0₂²-0₁² 2ad V₂±√√v₂²-2ad a b) 289 m d) Not enough information given. c) At its max height V₂-ad 2 d) None of the above b) 10. An object is launched from the edge a cliff before falling into the water below. At a particular instant, its speed…A car travels 30km due west and 35km in a direction 25° north of east. X component of the resultant displacement (in km) Y component of the resultant displacement (in km) Magnitude of the resultant displacement (in km) = The direction of the resultant displacement (North of West) =
- 11. Other than displacement (x), list three vector quantities and define them (with words or equations) in terms of displacement (x).Unit 3 Exam Vectors and 2-D Kinematics Status Exam A vector quantity has A. only a magnitude. B. a magnitude and a direction. C. only a direction. D. a mass and a density. Copuright 20og - 2021 Acellus Corporation. All Rights Reserved. MacBook SC 00 F10 F11 12 @ #3 & 1 2 3 4 6. 7 8 Q W E R Y U A S D F G H. J K .. .. * LO
- Follow direction and use proper notationWhich of the following is a vector quantity? A. The mass of a soccer ball. B. The length of a baseball bat. C. The width of a crater made by an asteroid. D. The displacement of a billiard ball after it is struck by the cue ball and collides with other balls.See attached image. Please help me solve a and b. Don't need help with c and d
- 7. An object travelling at 10.5 m/s on a horizontal surface approaches an inclined plane. Which plane would the objecttravel the HIGHEST on?a. A ramp with an incline of 20ob. A ramp with an incline of 25oc. A ramp with an incline of 30od. A ramp with an incline of 35oe. It will travel the same height on every rampDetermine the horizontal component of a 10.20-N force, applied 17 degrees below the horizontal The act of combining several vectors yields a new vector (capable of replacing the original ones with the same effect) called a : A. Sum B. Equilibrant C. Resultant D. Total What is not useful in characterizing a vector? A. Unit B. Angle C. Direction D. Magnitude9. For the vector à in the attached figure, what is the value for the component Ã, A