If a particle moves from point P (2,3,5) to point Q (3,4,5). Its displacement vector be * O i+j+ 10 k O i+j O 2i + 4 j+ 6k O i+j+5k If A = 2i + 4 j - 5 k, the the direction of cosines of the vector A are * 0.298, 0.596, -0.745 O 0.149, 0.298, 0.447 O 0.149, 0, 0.596 0.447, 0.298, 0.745

If a particle moves from point P (2,3,5) to point Q (3,4,5). Its displacement vector be * O i+j+ 10 k O i+j O 2i + 4 j+ 6k O i+j+5k If A = 2i + 4 j - 5 k, the the direction of cosines of the vector A are * 0.298, 0.596, -0.745 O 0.149, 0.298, 0.447 O 0.149, 0, 0.596 0.447, 0.298, 0.745

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter2: Vectors

Section: Chapter Questions

Problem 49P: Given two displacement vectors A=(3.00i-4.00j-4.00K)m and B=(2.00i+3.00j-7.00K)m , find the...

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Scalars and Vectors

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Question

Please answer 3 and 4

If a particle moves from point P (2,3,5)
to point Q (3,4,5). Its displacement
vector be *
O i+j+ 10 k
O i+j
O 2i + 4 j+ 6k
O i+j+5k
If A = 2i + 4 j- 5 k, the the direction of
cosines of the vector A are *
0.298, 0.596, -0.745
0.149, 0.298, 0.447
0.149, 0, 0.596
0.447, 0.298, 0.745

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