Finding the internal resistance of the battery
A battery having 14.3 V emf consists of a terminal voltage of 9.5 V, if it delivers a current of 6.6 A to the starter of a car. Determine the internal resistance of the battery?
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A bat releases ultrasonic pulses and employs them to navigate and to locate flying insects. When these pulses are sent at a rate of 5 per second, determine the maximum distance a reflecting object can be when the reflected pulse is to be received
Evaluate area of every region using Riemann Sums with indicated number of rectangles. Between y=x ln x and x-axis of [1,3], using 4 rectangles and using 8 rectangles. Ensure to illustrate all steps.
Calculate the concentration of hydronium ions in a solution at 25.0 °C with pH = 4.282? Determine the concentration of hydronium ions in a solution at 25.0°C with a pOH of 4.223.
When the index of refraction differs from 1.4920 (blue light) to 1.4742 (red), then what will be the angle between the red and the blue light?
Determine the moment of inertia for a solid cylinder having mass M, radius R; and length L around an axis perpendicular to the rod that passes via the center of the rod.
A stone held just below the surface of a swimming pool is released and sinks to the bottom at a constant speed of around 0.38 m/s. Determine the apparent speed of the stone, as viewed from directly over by an observer who is in air? Use refraction
Compute the focal length of a thin meniscus lens whose spherical surfaces encompass radii of curvature of magnitude 5 and 10 cm. The glass is of index 1.50.
An object of 6.0 kg, primarily at rest in free space, ‘explodes’ into the three segments of equivalent mass. The two of such segments are observed to be moving with equivalent speeds of 15.5 m/s with an angle of 60° connecting thei
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