- #1
willingtolearn
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Homework Statement
#2
Two people pull on a stubborn mule, as seen from a helicopter in Figure 1. Find (a) the single force that is equivalent to the two forces shown, and (b) the force that a third person ould have to exert on the mule to make the net force equal to zero.
Figure 1:
http://img526.imageshack.us/img526/8856/123456gn4nr0.png
the blue on the left and right, represent for a person.#3
A car travels due east with a speed of 50km/h. Rain is falling vertically with respect to the Earth. The traces of the rain on the side windows of the car make a angle of 60* with the vertical. Find the velocity of the rain with respect (a) the car and (b) the Earth.
2. The attempt at a solution
I am totally got no idea with the problem #1. Can you guys give me some hints or help me please?
#2
Is this right right picture for the problem ?
http://img523.imageshack.us/img523/6784/123456rq9.png
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