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Two charges are placed as shown in the figure 1 with q1 = 2.6 μC and q2= -5.1.
Part A Find the potential difference between points A and B. Express your answer using two significant figures. μC.
A person wearing a seat belt can withstand an acceleration of -310m/s squared. How thick should barriers be to carefully stop a car that hits a barrier at 120km/h.
If particles 2 and 3, even though not rigidly bound together, are regarded as forming a composite body of mass 2m located at their mid-point r = (1/2)*(r_2 + r_3), find the equations describing the motion of the two-body system comprising particle..
A 35 turn coil of radius 5.2 centimeter rotates in a uniform magnetic field having a magnitude of 0.45 T. obtain the magnitude of the maximum torque exerted on coil
We are not normally aware of the gravitational or electric force between two ordinary objects. What is the reason in each case? Give an example where we are aware of each one and why.
Two converging lens of 15 cm focal length each are separated by 38 cm. If an object is placed 40cm in front of the first lens, find the magnification of the lens system
A 90.6-kg fullback running east with a speed of 5.04 m/s is tackled by a 94.1-kg opponent running north with a speed of 2.96 m/s. (a) Explain why the successful tackle constitutes a perfectly inelastic collision. (b) Calculate the velocity of the pla..
A bat flies toward a wall at a speed of5.0m/s. As it flies, the bat emits an ultrasonic sound wave with frequency29.5kHz. What frequency does the bat hear in the reflected wave
question an golf ball sits on the optical axis of a spherical mirror at a distance of 17 cm. a virtual image is formed
Rare 1918 "Jenny" stamp, depicting a misprinted, upside-down Curtiss JN-4 "Jenny" airplane, was sold at auction for $525,000. A collector uses a simple magnifiying glass to examine the "Jenny," obtaining a linear magnification of 2.4 when the stam..
A 3900-Ω resistor and a 1.3-µF capacitor are connected in series across a generator (60.0 Hz, 120 V rms). Decide the average power delivered to the circuit.
A parallel-plate capacitor has fixed charges +Q and-Q. The separation of the plates is then doubled. By what factor does the energy stored in the electric field change?
If a transformer steps the voltage down from 8800 V (at the pole) to 120 V (at the building) and it is to deliver 1000 kW to the building at 80% efficiency, what is the ratio of primary turns to secondary turns
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