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Three particles P1, P2, and P3 are located at the points (-2.00, -1.00), (0, 2.00), and (3.00, -1.00), respectively. P1 has a charge of 5.00 µC, but the charges of P2 and P3 are unknown. However, the three particles exert no net force on a charged particle that is placed at the origin. You are asked to find the unknown charges. (a) Use the fact that the net horizontal force on the particle at the origin is zero to find the unknown charge on P3. (b) Then use the fact that the net vertical force on the particle at the origin is zero to find the unknown charge on P2.
question 1 a 0.49 copper rod with a mass of 0.18 carries a current of 13 in the positive x direction. let upward be the
a ball is thrown upwards with an initial velocity of 10 ms. find the time for its maximum height and also find its
You are the science officer on a visit to a distant solar system. Prior to landing on a planet you measure its diameter to be 1.8 x 10^(7) m and its rotation period to be 22.3hours. What is the mass of the planet and star
An RLC circuit is set up with a 350 mH inductor, a 6.8 mF capacitor and a 550 W resistor. Sketch the phasor diagram for this circuit
Say the electrical company needs to step down the voltage from 7200V RMS in the power line behind your house to the required 120V RMS, how many loops must be on the secondary side
A wave has an angular frequency of 190 rad/s and a wavelength of 2.6 m. Calculate (a) the angular wave number and (b) the speed of the wave.
consider an ink jet printer the basic mechanism is that drops of ink each with a radius of r20um are charged to
You're an optometrist, mounting a projector at the back of your 4.2m -long exam room, 2.6 m above the floor. At what height should you center the pattern on the wall
A 55 kg meteorite buries itself 4.5 m into soft mud. What was the speed of the meteorite when it initially impacted the mud
A gas is compressed from 655 cm3 to 171 cm3 at a constant pressure of 397 kPa. What is the change in thermal energy of the gas during this process
Goal Solve a calorimetry problem involving three substances at three different temperatures. Problem Suppose 0.400 kg of water initially at 40.0°C is poured into a 0.300-kg glass beaker having a temperature of 25.0°C. A 0.500-kg block of aluminum ..
A car travelling at 95 km/h strikes a tree. The front end of the car compresses and the driver comes to rest after travelling 0.87m. What was the average acceleration of driver during the collision? State the answer in terms of "g's," where 1g = 9..
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