Asked by momo

two people kick a ball. one of them kicks it with a force of 215.0 newtons. the other one with 189.0 newtons. their approach creates a 210.0 degree angle at the point of impact and causes the ball to go in a different direction. what is the resultant of the vector from this impact?

i got 107.5365772 newtons. is this correct?
Answered by bobpursley
magnitude^2=215^2+189^2-2*215*210*cos(30degrees)=61^2N
Answered by momo
81,946 - 90,300*cos(30degrees) = 61^2 N

3,743.9 = 61^2 N

3,743.9 = 3,721 N

1.006 = N

was i suppose to solve it out like that?
Answered by bobpursley
Hardly.
if
magnitude^2=61^2
then magnitude is 61N
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