Elba R.
asked • 11/18/19Your riding a skateboard that is 1.4 kg and going northeast with a velocity of 19 m/s. You weigh about 52 kg. What is the total momentum of you and the skateboard?
1)what is your mass?
2)what is the skateboard's mass?
3)what is the combined mass?
4)what is the velocity of you and the skateboard?
Pubuduni E. answered • 11/18/19
Masters in Physics (PhD student) with 6+ years of Teaching Experience
Total Momentum = total mass * velocity = (52+1.4)*19 = 1014.6 kgm/s (northeast) because momentum is a vector.
Arturo O. answered • 11/18/19
Experienced Physics Teacher for Physics Tutoring
momentum = mass x velocity
p = mv
m = (1.4 + 52) kg = ? kg
v = 19 m/s
Plug in the numbers and get p. Momentum is a vector, so you also have to state its direction, which in this problem, is northeast.
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