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mars1129 [50]
3 years ago
5

Combine these three velocity vectors into a resultant: 3.0 m/s north, 4.0 m/s east 1.0 m/s west. Identify the resultant vector

Physics
1 answer:
Slav-nsk [51]3 years ago
5 0

Answer:

The resultant vector is 1 m/s

Explanation:

The resultant vector is 1 m/s west based on triangle law of vector addition, when two sides of a triangle is represented by two vectors, the resultant vector is the third side of the triangle.

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Answer:

Option D

Explanation:

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In all the cases, except option D, the energy provided to do the useful work is not zero and hence work done is not zero.  

In option D, the box is being pulled with constant velocity, making the acceleration zero and thus Kinetic energy of the system is zero. Hence work done in this case is zero.

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Answer:

(B) 13.9 m

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Explanation:

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t = 1.06 s

3 0
3 years ago
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