Compare and contrast electrical and magnetic forces
1 answer:
You might be interested in
Answer:
Explanation:
You first solve point a by finding the components of the resulting vector, which will be
Notice that since the 50° angle is taken clockwise, we consider it negative, while the 30° is considered positive.
Plugging the values in a calculator or a spreadsheet (if you are using excel or similar programs, don't forget to convert the angle in radians!) you will get the components, namely
At this point magnitude is defined as while for direction you first take the ratio
and again, with a calculator, you get the inverse tangent of it. The result will be a number between
and
(-90° and 90°) which tells you the angle the line containing your vector forms with the positive x axis, in our case it's
(ie, it sits on the red line)
At this point, based on the fact that both are positive, the end point of the vector is in the first quadrant.
Answer:
Explanation:
Given,
mass of the object,m = 0.30 Kg
initial speed, v_i = 3 m/s
time of collision = 0.20 s
final speed, v_f = -4 m/s
Impulse = change in momentum
Hence, impulse of the object is equal to