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Recent questions tagged telegram-53956

(chatquestion)...(3) Vo.s (4) O (3) The angles which a vector i+}+ Z 2. Y and Z with makes X, respectively are 60°, 60°, 60° (3) 60°, 60°, 45° axes 9. Fol par (2) 45°, 45°, 45° (4) 45°, 45°, 60° The value of a unit vector in the or 3. direction of vector A= 5i-12j, is th R5-12 (1) ? (3) (+/13 Which of the following is independent of the choice of co-ordinate system (2) (1 (3 (4) (si-12)/13 10. TE re (1) P+Q+R be (2) (P,+Q, +R,i (3) Pi+0j+Rk (4) None of these A car travels 6 km towards north at an 5. angle of 45° to the east and then travels distance of 4 km towards north at an angle of 135° to the east. How far is the point from the starting point. What angle does the straight line joining its initial and final position makes with the east to 11. CI cl (1) 50 km and tan (5) (2) 10 km and tan (5) (3) 52 km and tan (5) (4) 52 km and tan (5) Given that A+B+C= 0 out of three vectors two are equal in magnitude and the magnitude of third vector is 2 times that of either of the two having equal magnitude. Then the angles between vectors are given by 12. 6. (1) 30°, 60°, 90° (3) 45°, 60°, 90° (4) 90°, 135°, 135° Two forces F =1N and F =2N act along the lines x = O'and y = 0 respectively. Then the resultant of forces would be (2) 45°, 45°, 90° 7. 13. (2) i+ (1) i+2) (4) 2i +j (3) 31+2) At what angle must the two forces (x+ y) and (x - y) act so that the resultant 8. 3=2 may be Va +y?)

asked Jan 31, 2020 by balaji.thirumalai

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