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Rank the following velocities according to the kinetic energy a particle will have with each velocity, greatest first: (i) →v=4^i+3^j (ii) →v=−4^i+3^j (iii) →v=−3^i+4^j (iv) →v=3^i−4^j (v) →v=5^i (vi) →v = 5ms at 30∘ to the horizontal. |
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Answer» Rank the following velocities according to the kinetic energy a particle will have with each velocity, greatest first: (i) →v=4^i+3^j (ii) →v=−4^i+3^j (iii) →v=−3^i+4^j (iv) →v=3^i−4^j (v) →v=5^i (vi) →v = 5ms at 30∘ to the horizontal. |
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