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To practice Problem-Solving Strategy 21.1 Coulomb's Law. Three charged particles are placed at each of three corners of an equilateral triangle whose sides are of length 3.7cm. Two of the particles have a negative charge: q1 = -7.7nC and q2 = -15.4nC. The remaining particle has a positive charge, q3 = 8.0nC. What is the net electric force acting on particle 3 due to particle 1 and particle 2?
Part B
Discover the net force F 3 acting on particle 3 due to the presence of the other two particles. Report you answer as a magnitude F3 and a direction? Gauged from the positive x axis.
Express the magnitude in nektons and the direction in degrees to three important figures.
A certain freely falling object requires 1.7s to travel the last 40m before it hits the ground. From what height above ground did it fall.
The nucleus of 8Be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously breaks into two alpha particles (helium nuclei, each consisting of 2 protons and 2 neutrons).
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The figure below shows a resistor of resistance R = 6.16Ω connected to an ideal battery of emf = 14.9 V bymeans of two copper wires. Each wire has length 23.2 cm and radius3.40 mm. In dealing with such circuits in this chapter, wegenerally neglect..
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A student (m=63 kg) falls freely from restand strikes the ground. During the collision with the ground, hecomes to rest in a time of 0.010 s. From what height did the student fall
a diverging lens has a focal length of magnitude 17.4 cm.locate the images for each of the following object distances.
A proton moving at 4.30 106 m/s through a magnetic field of 1.75 T experiences a magnetic force of magnitude 8.04 10-13 N
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