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A moter car is going due north at a spee...

A moter car is going due north at a speed of 50 km/h. It makes a `90^0` left turn without changing the speed. The change in the velocity of the car is about

A

50 km/h towards west

B

70 km/h towards south-west

C

70 km/h towards north-west

D

Zero.

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The correct Answer is:
B
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ANURAG MISHRA-DESCRIPTION OF MOTION-Level-1
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  2. Vector vec(a) is increased by Delta vec(a) . If increment in magnitud...

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  4. A person moving on earth's surface starts from north pole & moves 500 ...

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  5. A person moves 20 m towards north-east then moves 20 m towards west an...

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  6. If vec(A),vec(B),vec(C) are mutually perpendicular vectors then which ...

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  7. The velocity of a particle varies with time as per the law vec(v)=vec...

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  9. If vec(a(1)) and vec(a(2))are two non-collinear unit vectors and if |...

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  10. If vec(A)=vec(B)+vec(C) and the magnitude of vec(A), vec(B) and vec(C...

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  12. What is the component of 3 hat(i) +4 hat(j) "along" hat(i)+hat(j):

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  14. The resultant of vec(A) and vec(B) is perpendicular to vec(A). What is...

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  15. A particle moves through angular displacement theta on a circular pat...

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  17. The X and Y - component of vec (p) are 7hat(i) and 6hat(j). Also , t...

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  18. Two vector vec(A)=2 hat(i) +3hat(j)-4hat(k) and vec(B)=4hat(i) + 8hat(...

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