14. A block placed on an incline oriented 42° with respect to the horizontal has velocity u = 13.4 (m/s) î– 12.0 (m/s) ĵ at time t=0.00 (s). If its acceleration is a= 0.706 (m/s?) î – 0.636 (m/s?) î, what is the velocity v after t= 15.0s A. 3.86 (m/s) î– 1.41 (m/s) ĵ B. 24.0 (m/s) î -9.54 (m/s) ĵ C. 24.0 (m/s) î- 21.5 (m/s) ĵ D. 10.6 (m/s) î – 21.5 (m/s) ĵ

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Chapter3: Vectors And Two-Dimensional Motion
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Problem 70AP: A landscape architect is planning an artificial waterfall in a city park. Water flowing at 0.750 m/s...
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Use the value of g = 9.80 [m/s^2]
14. A block placed on an incline oriented 42° with respect to the horizontal has velocity
u = 13.4 (m/s) î– 12.0 (m/s) ĵ at time t=0.00 (s).
If its acceleration is a= 0.706 (m/s²) î – 0.636 (m/s²) î, what is the velocity v after t= 15.0s
A. 3.86 (m/s) î– 1.41 (m/s) ĵ
B. 24.0 (m/s) î– 9.54 (m/s) ĵ
C. 24.0 (m/s) î– 21.5 (m/s) ĵ
D. 10.6 (m/s) î– 21.5 (m/s) ĵ
Transcribed Image Text:14. A block placed on an incline oriented 42° with respect to the horizontal has velocity u = 13.4 (m/s) î– 12.0 (m/s) ĵ at time t=0.00 (s). If its acceleration is a= 0.706 (m/s²) î – 0.636 (m/s²) î, what is the velocity v after t= 15.0s A. 3.86 (m/s) î– 1.41 (m/s) ĵ B. 24.0 (m/s) î– 9.54 (m/s) ĵ C. 24.0 (m/s) î– 21.5 (m/s) ĵ D. 10.6 (m/s) î– 21.5 (m/s) ĵ
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