A 3-kg particle has a velocity of (3i - 4j) m/s. Find the magnitude of its momentum.
Follow Math Help Forum on Facebook and Google+
Originally Posted by jaycas21 A 3-kg particle has a velocity of (3i - 4j) m/s. Find the magnitude of its momentum. Momentum: so: RonL
Yes I got that too but the answer are as follows: 9 kg.m/s -12 kg.m/s 15 kg.m/s 3 kg.m/s
Originally Posted by jaycas21 Yes I got that too but the answer are as follows: 9 kg.m/s -12 kg.m/s 15 kg.m/s 3 kg.m/s If you look carefully at CaptainBlack's work you will see that he simply forgot to multiply by m. His answer is the magnitude of the velocity, so the answer is 3*5 kg m/s = 15 kg m/s. -Dan
View Tag Cloud