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Two point charges are placed along a horizontal axis with the following values and positions: +1 µC at x = 0 cm and - 13 µC at x = 54 cm. At what point (the coordinate) along the x axis is the electric field zero? Expess the answer (in cm) with one decimal place.
Consider three identical metal spheres, A, B, and C. Sphere A carries a charge of +7q, What is the ratio of the final charge on sphere C to q, What is the ratio of the final total charge on the three spheres to q
Find the rotational frequency of the wheel.
Two objects attract each other gravitationally with a force of 2.5×10-10 while they are 0.60 apart. Their total mass is 5.0. Find out their individual masses.
A boy is attempting to swim directly across a river; he is able to swim at a speed of 0.421 m/s relative to the water. The river is 2.48 m wide and the boy ends up at 4.77 m downstream from his starting point.
Calculate the speed of a proton after it accelerates from rest through a potential difference of 160.
A 52.0 skateboarder wants to just make it to the upper edge of a "quarter pipe," a track that is one-quarter of a circle with a radius of 2.90. What speed does he need at the bottom.
A 2200kg sport utility vehicle travelling at 96 km/h can be stopped in 0.20 s if it hits a concrete wall. Suppose a 60 kg person was in the car that hit this wall. The velocity of the person equals that of the car both before and after the crash a..
A solenoid in MRI is 2.40 m long, 94 cm in diameter, and 1200 turns of superconducting wire. Find a) inductance, b) induced emf in the solenoid while the current in the wire is changing from 0 to 2.5 kA in 30 s.
The vector A s 3.50cm long and is directed into this page, In the right-handed coordinate system, where the +x-axis directed to the right, the +y-axis toward the top of the page
Two forces FA and FB are applied to an object whose mass is 5.43 kg. The larger force is FA. When both forces point due east, the object's acceleration has the magnitude of 1.40 m/s2. Though, as FA points due east and FB points due west, the accelera..
Sketch the shear force and bending moment diagram and Verify that the support reactions are correct.
A piano is brought upstairs by two workers. Due to a mistake by one of the workers, the piano rolls down the stairs and finally comes to rest by the outside door.
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