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In a DC circuit, the electric current is I = (15:8 0:1)A, and the potential is V = (2:32 0:02)V. Find the resistance including the error. Write the result in SI units, and round properly (keep only one or two signi cant digits for the error, and round the result so that its accuracy is the same as the accuracy of the error).
A 3.0-kg 14-cm-radius cylinder, initially at rest, is free to rotate about the axis of the cylinder. A rope of negligible mass is wrapped around it and pulled with a force of 18 N.
riders on a ferris wheel move in a circle with a speed of 4.50. as they go around they experience a centripetal
A 0.105-kg hockey puck moving at 24 m/s is caught and held by a 75-kg goalie at rest. With what speed does the goalie slide on the ice?
When rebuilding her car's engine, a physics major must exert 450 N of force to insert a dry steel piston into a steel cylinder at a constant velocity. What is the normal force between the piston and cylinder
A runner runs 1.26 km in 2.5 min and then takes 4.6 min to walk back to the starting point. What is the average speed for the total trip
A spherical balloon of volume 4.03 x10^3 cm3 contains helium at the pressure of 1.15 x10^5 Pa. How various moles of helium are in the balloon if the average kinetic energy of the helium atoms is 3.60 x10-22 J.
Examining your image in a convex mirror whose radius of curvature is 25.8 centimeter, Obtain where is the image of your nose located
A cork resting on the surface of a pond bobs up and down two times per second on some ripples having a wavelength of 8.5cm. If the cork is 10.0m from shore, how long does it take a ripple passing the cork to reach the shore?
A popular earring design features a circular piece of gold of diameter D with a circular cut out of diameter d, as shown in the figure. If this earring is to balance at the point P, show that the diameters should satisfy the condition: D = fd, where ..
When a converging lens is utilized in a camera (as in the first drawing), the film should be placed at a distance of 0.250 m from the lens to record an image of an object that is 3.90 m from the lens.
in may 2008 the united states successfully landed a spacecraft named phoenix near the northern polar regions of mars.
NASA launches a satellite into orbit at a height above the surface of the Earth equal to the Earth's mean radius. The mass of the satellite is 740 kg. How much gravitational force does the satellite experience
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