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Two resistors are connected in series to a battery with an emf of 12 V. The voltage across the first resistor is 2.9V and the current through the second resistor is 0.13A .
Part A: Find the resistance of the first resistor.
Part B: Find the resistance of the second resistor.
A person who weighs 620 N stands at x = 5m, right on the end of a long horizontal diving board that weighs 350 N. The diving board is held up by two supports, one at its left end at x = 0, and one at the point x = 2.00 m.
Use the work-energy theorem to find out how high it will be when its speed has been reduced to half of its initial value. Please provide step-by-step process.
A block of mass m = 8 kg is pushed across a rough table with a force applied at an angle of 40 with respect to the horizontal direction, what is the work done by friction
If the fish starts from a distance 1.09 m from the base of the ledge over which the waterfall flows, Can the fish make this jump
If a person eats a popsicle of mass 0.045 kg and temperature -10 C, then how much energy does this person use
A physics book (mass=3.0 kg) is given a horizontal velocity of 4.0 m/s out the window. Determine the work down by gravity while the book is in between the two windows
When operated on a household 110-V line, typical hair dryers draw about 1650 W of power. What is the resistance of the dryer
Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons, How many electrons are there in 1.79 liters of water
A 59.0 kg skateboarder wants to just make it to the upper edge of a "quarter pipe," a track that is one-quarter of the circle with a radius of 3.80 m.
A neutron star has a mass of 2.0*10^30 kg (about the mass of our sun) and a radius of 5.2*10^3 m (about the height of a good-sized mountain). assume an object falls from rest near the surface of such a sta
An 845-N sled is pulled a distance of 170 m. The task requires 1.10 x10^4 J of work and is done by pulling on a rope with a force of 12N. At what angle is the rope held.
how many electrons have been transferred. If a metric ton is 1.000 103 kg, how various 90 kg people can safely occupy an elevator that can hold a maximum mass of exactly 1 metric ton.
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