Two forces (4i - 2j) N and (2i+qj) N act on a particle Pof mass 1.5 kg. The resultant of
these two forces is parallel to the vector (2i+j).
At time t=0, Pis moving with velocity (-2i+4j) ms ¹.
Find the speed of Pat time t = 2 seconds.

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04-09-2022
Mathematics

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Two forces (4i - 2j) N and (2i+qj) N act on a particle Pof mass 1.5 kg. The resultant of
these two forces is parallel to the vector (2i+j).
At time t=0, Pis moving with velocity (-2i+4j) ms ¹.
Find the speed of Pat time t = 2 seconds.

Sagot :

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