Answer all with detailed explanation 4G 0.0KB/s ll 58 Vo 10:30 AM +91 98499 04135 Yesterday, 7:38

Answer all with detailed explanation 

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4G 0.0KB/s ll 58 Vo 10:30 AM +91 98499 04135 Yesterday, 7:38 pm OBJECTIVE PHYSICS IA VECTORS 10. If 2i - 3j + 4k, the magnitudes of its components in yz plane and zx plane are respectively 1) V13 and 5 2) 5 and 2 /5 3) 2 5 and /13 4) V13 and /29 11. If vectors i and B are 3i-4j + 5k and 2i + 3j-4k respectively. Find the unit vector parallel to 4+ B (5i-j+k) 1) V27 (5i+ j+k) 2) V27 (5i+j+k) 3) (Si-j-k) 4) 27 27 12. The unit vector parallel to the resultant of the vectors -41+3/+ 6k and B-i+3j-8k is pled 3i+6j+ 2k 2) 3) 4) 49 49 13. If A = 3i - 4j and Bi-4j, calculate +B and 4+B 1) 2i-8j, 8.1 2) 2i-4j, 4.2 3) 2i, 3 4) 4j, 6 14. If = 3i - 4j and B= -i - 4j, calculate the direction of 4+B. %3D 1) tan-(4) with + x- axis in clock wise 2) tan (4) with- x- axis in clock wise phy assignment 3) tan (4) with + x- axis in anticlock wise 4) tan-(4) with x- axis in anticlock wise 15. Two vectors are given by a=-2i + j-3k and 6-Si+3j-2k. If 3a+2b-é=0 then third vector is 1) 4i +97- 13 2) -4i -9i +13k 3) 41-9j-13 k 4) 21-3i + 13k 16. A body starts with a velocity 2i-3j+11k m/s and moves with an accelaration of 10i+10j+10k ms What is its velocity after 0.25 s ? 1) 4.5i + 0.5j –13.5k 2) 4.5i – 0.5j –13.5k 3) 4.5i-0.5j+13.5k 4) 4.5i +0.5j+13.5k um 17. Displacement vectors A-(3i+3j)m, B-(i-4j)m and C (-2i +5j) m. Use the components method to determine the magnitude and direction of E=-A-B+C. 1) 5 2, 60° clockwise with +ve x-axis 2) 6 2, 450 clockwise with +ve x-axis ne 4) 62, 450 clockwise with-ve x-axis 3) 52, 60° clockwise with -ve x-axis 18. If A-6.00i- 8.00j units, B 8.00i + 3.00j units and C 26.0i+ 19.0j units, determine a and b when a A + bB + C-0 1) a 0.9, b -3.93 3) a 0.6, b--3 4) a 0.4, b-0.8 2) a 0,9, b - 3.93 nd 19. Angle (in rad) made by the vector 31 +j with the x-axis is 2) /4 3) t/3 4) t/4 1) t/6 ev LEVEL-II (ADVANCED) 4G 0.0KB/s ll 58 Vo 10:30 AM +91 98499 04135 Yesterday, 7:38 pm OBJECTIVE PHYSICS IA VECTORS 10. If 2i - 3j + 4k, the magnitudes of its components in yz plane and zx plane are respectively 1) V13 and 5 2) 5 and 2 /5 3) 2 5 and /13 4) V13 and /29 11. If vectors i and B are 3i-4j + 5k and 2i + 3j-4k respectively. Find the unit vector parallel to 4+ B (5i-j+k) 1) V27 (5i+ j+k) 2) V27 (5i+j+k) 3) (Si-j-k) 4) 27 27 12. The unit vector parallel to the resultant of the vectors -41+3/+ 6k and B-i+3j-8k is pled 3i+6j+ 2k 2) 3) 4) 49 49 13. If A = 3i - 4j and Bi-4j, calculate +B and 4+B 1) 2i-8j, 8.1 2) 2i-4j, 4.2 3) 2i, 3 4) 4j, 6 14. If = 3i - 4j and B= -i - 4j, calculate the direction of 4+B. %3D 1) tan-(4) with + x- axis in clock wise 2) tan (4) with- x- axis in clock wise phy assignment 3) tan (4) with + x- axis in anticlock wise 4) tan-(4) with x- axis in anticlock wise 15. Two vectors are given by a=-2i + j-3k and 6-Si+3j-2k. If 3a+2b-é=0 then third vector is 1) 4i +97- 13 2) -4i -9i +13k 3) 41-9j-13 k 4) 21-3i + 13k 16. A body starts with a velocity 2i-3j+11k m/s and moves with an accelaration of 10i+10j+10k ms What is its velocity after 0.25 s ? 1) 4.5i + 0.5j –13.5k 2) 4.5i – 0.5j –13.5k 3) 4.5i-0.5j+13.5k 4) 4.5i +0.5j+13.5k um 17. Displacement vectors A-(3i+3j)m, B-(i-4j)m and C (-2i +5j) m. Use the components method to determine the magnitude and direction of E=-A-B+C. 1) 5 2, 60° clockwise with +ve x-axis 2) 6 2, 450 clockwise with +ve x-axis ne 4) 62, 450 clockwise with-ve x-axis 3) 52, 60° clockwise with -ve x-axis 18. If A-6.00i- 8.00j units, B 8.00i + 3.00j units and C 26.0i+ 19.0j units, determine a and b when a A + bB + C-0 1) a 0.9, b -3.93 3) a 0.6, b--3 4) a 0.4, b-0.8 2) a 0,9, b - 3.93 nd 19. Angle (in rad) made by the vector 31 +j with the x-axis is 2) /4 3) t/3 4) t/4 1) t/6 ev LEVEL-II (ADVANCED)