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Solve the following question:
Question: During a "brown out," the power line voltage drops from 120 V to 115 V.
Part A: By how much does the thermal power output of a 1000 W stove burner drop, assuming its resistance remains constant?
Answer = ____%
Please show complete calculation thank you!
Two spheres are mounted on identical horizontal springs and rest ona frictionless table, as in the drawing. When the spheres areuncharged, the spacing between them is dx =0.05 m, and the springs are unstrained.
A thin, uniformly charged spherical shell has a potential of 638 V on its surface. Outside the sphere, at a radial distance of 16.0 cm from this surface, Calculate the radius of the sphere
An ideal heat-engine is to be used in an environment where the ambient temperature is 22.5 °C. What should be the minimum temperature of the hot heat reservoir
What would happen to the gravitational force between Earth and the Sun. A reconnaissance plane flies 600 km away from its base at 240 km/h, then flies back to its base at 320km/h.
find the total mechanical energy of a mass-spring system with m 1.30kg and maximum speed 0.750
Objective questions based on momentum and force.
A free fall acceleration onthe surface Mars is about three eights of that on the surface of Earth. Find the ratio of there average densities
Two slits spaced 0.500mm apart are placed 77.0cm from a screen. What is the distance between the second and third dark lines
a portable classroom is heated with small propane heating units with a capacity of 3 kw each. the portable classroom is
A resistor with R=300 ? and an inductor are connected in series across an ac source that has voltage amplitude 500 V. What is the power factor
A baseball is bunted down the third-base line leaving the bat from a height of 0.850m with an initial velocity of 4.00m/s at an angle of 36.87° above horizontal, what is the baseball's tangential acceleration at maximum height
If a book rests motionless on a table, what forces areacting on it, What is the net force on the book
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