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Q23: What are the x- component and the y-components of vector C? A. (2,-4) cm B. (-4,2) cm C. (-3,1) cm D. (1,-3) cm <-1 2- 14

Q23: What are the x- component and the y-components of vector C? A. (2,-4) cm B. (-4,2) cm C. (-3,1) cm D. (1,-3) cm <-1 2- 14

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Q21: Suppose three blocks are in contact with one another on a frictionless, horizontal surfa A horizontal force F is applied to m, The boxes accelerate to the right at 8 m/s² Take m₁ = 8.0 kg, ma = 18 kg, and F = 320 N. Find m₂ A. 14 kg B. 12 kg C. 13 kg D. 16 kg Q22: A 2.0 kg object starts from rest at t=0. A constant resultant force of (2.01+ 2.01) N on the object for 3.0 s. What is the magnitude of the object's velocity at the end of interval? A. 5,66 m/s B. 2.83 m/s C. 4.24 m/s D. 7.07 m/s Q23: What are the x-component and the y-components of vector c? A. (2,-4) cm B. (-4,2) cm C. (-3,1) cm D. (1,-3) cm Q24: A ring is pulled on by three forces as shown. The ring is not moving. What is the magnitude of force F? A. (20 sin 0) N B. (20 cos 8) N C. (10 sin 8) N D. (10 cos 0) N Q25: Consider the vectors shown. What is the dot product C-D? A. (120 cos 78°) m² B. (120 cos 25°) m² C. (120 cos 53°) m² D. (120 cos 62°) m² -4 -2 -1 10 N Ď (10.0 m) ℃ (12.0 m) 25.0 53.0 y (cm) 0 1- 30.0 -x (cm) 10 N B (15.0 m) A (8.00m)
Transcribed Image Text:Q21: Suppose three blocks are in contact with one another on a frictionless, horizontal surfa A horizontal force F is applied to m, The boxes accelerate to the right at 8 m/s² Take m₁ = 8.0 kg, ma = 18 kg, and F = 320 N. Find m₂ A. 14 kg B. 12 kg C. 13 kg D. 16 kg Q22: A 2.0 kg object starts from rest at t=0. A constant resultant force of (2.01+ 2.01) N on the object for 3.0 s. What is the magnitude of the object's velocity at the end of interval? A. 5,66 m/s B. 2.83 m/s C. 4.24 m/s D. 7.07 m/s Q23: What are the x-component and the y-components of vector c? A. (2,-4) cm B. (-4,2) cm C. (-3,1) cm D. (1,-3) cm Q24: A ring is pulled on by three forces as shown. The ring is not moving. What is the magnitude of force F? A. (20 sin 0) N B. (20 cos 8) N C. (10 sin 8) N D. (10 cos 0) N Q25: Consider the vectors shown. What is the dot product C-D? A. (120 cos 78°) m² B. (120 cos 25°) m² C. (120 cos 53°) m² D. (120 cos 62°) m² -4 -2 -1 10 N Ď (10.0 m) ℃ (12.0 m) 25.0 53.0 y (cm) 0 1- 30.0 -x (cm) 10 N B (15.0 m) A (8.00m)
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