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What are the x and then y components of ...

What are the x and then y components of a 25 m displacement at an angle of `210^@` with the x - axis (clockwise) ?

A

`-25cos30^@ and +25 sin30^@`

B

`25cos30^@ and -25 sin30^@`

C

`25cos30^@ and +25sin30^@`

D

`-25cos30^@ and -25sin30^@`

Text Solution

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The correct Answer is:
D
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MOTION-VECTOR & CALCULUS-EXERCISE -1
  1. If |vecP + vecQ| = |vecP -vecQ| the angle between vecP and vecQ is

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  2. Find the torque of a force vecF=-3hati+2hatj+hatk acting at the point ...

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  3. What are the x and then y components of a 25 m displacement at an angl...

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  4. One of the rectangular components of a velocity of 60" km" h ^(-1) " ...

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  5. If vecA = hati+hatj+hatk and vecB = 2hati+hatj find vecA . vecB

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  6. If vecA = hati+hatj+hatk and vecB = 2hati+hatj find vecA xxvecB

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  7. If |vecA|= 4, |vecB|=3 and theta= 60^@ in the figure . Find vec...

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  8. If |vecA|= 4, |vecB|=3 and theta= 60^@ in the figure . Find |vec...

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  9. If 0.5hati+0.8hatj+Chatk is a unit vector. Find the value of C.

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  10. The rectangular components of a vector are (2,2) . The corresponding r...

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  11. The x and y components of a a force are 2N and -3N . The force is

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  12. Assertion: If three vectors vecA,vecB and vecC satisfy the relation ve...

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  13. The magnitude of scalar product of two vectors is 8 and of vector prod...

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  14. Two forces of magnitude 1 N and 13 N resultant of magnitude 6sqrt(5)N,...

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  15. The ratio of maximum and minimum magnitudes of the resultant of two ve...

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  16. The angle made by the vector vecA=2hati+3hatj with Y-axis is

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  17. The vector joining the points A (1,1,-1) and B (2,-3,4) & pointing A ...

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  18. y=x^(2)+x+8

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  19. s=5t^(3)-3t^(5)

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  20. y = 5 sin x

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