Three charged particles are placed at the corners of an equilateral triangle of side 1.20 m (see (Figure 1)). The charges are Q1 = 7.5 ?C , Q2 = -8.4 ?C , and Q3 = -5.9 ?C .

a.) Calculate the magnitude of the net force on particle 1 due to the other two. Express your answers using two significant figures.

b.) Calculate the direction of the net force on particle 1 due to the other two. Express your answer as a positive angle using two significant figures.

c.) Calculate the magnitude of the net force on particle 2 due to the other two. Express your answers using two significant figures.

d.) Calculate the direction of the net force on particle 2 due to the other two. Express your answer as a positive angle using two significant figures.

e.) Calculate the magnitude of the net force on particle 3 due to the other two. Express your answers using two significant figures.

f.) Calculate the direction of the net force on particle 3 due to the other two. Express your answer as a positive angle using two significant figures.