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sweet-ann [11.9K]
3 years ago
15

An object of mass 3 kg, moving with and sticks to an object of mass 2.00 kg with an initial velocity of 3.00 m/s. Find the final

velocity of the composite object.
Physics
1 answer:
Aleonysh [2.5K]3 years ago
8 0

Answer:

1.8 m/s

Explanation:

momentum = mass × velocity

initial momentum = m1v1+m2v2

                             = 3×3 +2×0 = 9+0= 9 kg m/s

let combined velocity be V

HENCE  

final momentum = total mass × velocity

                            = (3+2) × V = 5V

According to law of conservation of momentum

final momentum = initial momentum

5V = 9

V =9/5

V = 1.8 m/s

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A rocket fires two engines simultaneously. One produces a thrust of 725Ndirectly forward while the other gives a 513N thrust at
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The resultant force (F) is then given as follows:

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To find the direction:

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Therefore, the magnitude of the resultant force, F = 1,190.3 acting at a direction X = 13.35°.

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