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An electric cannon, such as shown in (Figure 1), consists of a 16-kg metal ball with charge 1.3×10-4 C compressed into a plastic barrel so that it is 0.10 m from an equally charged object at the closed end of the barrel. The barrel is oriented at 37° with respect to the horizontal. When the ball is released, it shoots 3.0 m along the barrel from its starting position because of the repulsive force between the two charged objects.
part A completed.
Part B: Find the change in gravitational potential energy.
Part C: Find the change in electric potential energy.
Part D: Find the final speed of the charge as it leaves the barrel.
A light beam fully illuminates a 4-slit diffraction slide, creating a central maximum of intensity 2.0 mW/sq cm. The slits are 0.1 mm apart. What is the intensity of the central maximum from the same beam when a 5th slit is added to the slide, ..
If a person on a 35.0 m diameter Ferris wheel feels 30% heavier at the bottom of the wheel, how fast is it going around
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Monochromatic light has one wavelength. Fluorescent lights are a source of coherent light. Destructive interference occurs when two waves differ in phase by 180 degrees. A phase difference of 360 degrees is the same as a path dissimilarity of one hal..
A 1.0mL syringe has an inner diameter of 6.0mm , a needle inner diameter of 0.29 mm , and a plunger pad diameter (where you place your finger) of 1.2 cm . A nurse uses the syringe to inject medicine into a patient whose blood pressure is 140/100mmHg...
For each of the circuits in given Figure, find the equivalent practical voltage source at terminals A and B.
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