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Two converging lenses, each having a focal length equal to 10 cm, are 15cm apart. Discover the final image location for an object 15 cm from one of the lenses and 30 cm from the other. Do this both graphically and algebraically.
One mole of nickel (6E23 atoms) has a mass of 54 grams, and its density is 8.9 grams per cubic centimeter. You have a long thin bar of nickel, 2.0 m long, with a square cross section, 0.12 cm on the side.
question a 600-ev electron and a 300-ev electron trapped in a uniform magnetic field move in circular paths in a plane
You are designing a delivery ramp for crates containing exercise equipment. Calculate the maximum force constant of the spring
An automobile travels on a straight road for 40.0 km [E] at 30.0 (km/h). It then continues in the same direction for another 40.0 km [E] at 60 (km/h). Estimate the average speed, distance, displacement, & average velocity for the trip.
The aorta carries blood away from the heart at a speed of about 40 cm/s and has a radius of approximately 1.1 cm. find the approximate number of capillaries in the human body
suppose that a particle accelerator is used to move two beams of particles in opposite directions. in a particular
A 120.0 volt motor draws a current of 5.60 A when running at common speed. The resistance of the armature wire is 0.790. Decide the back emf generated by the motor. What is the current at the instant when the motor is now turned on and has not begun ..
A billiard ball moving at 5.00 m/s strikes a stationary ball of the same mass. Find the velocity (magnitude and direction) of the second ball after collision
the medians of a right triangle that are drawn from the vertices of the acute angles have lengths of 2radic3 and
The current in the coil above is adjusted to produce a fieldstrength of 2.0 mTesla. The axis of the coil is horizontal andalong the east-west direction. Find the direction of the net field from both sources
A conducting rod ( length = 80 cm ) rotates at a constant angularrate of 15 revolution per second about a pivot at one end. Auniform field (B = 60 mT) is directed perpendicularly to the planeof rotation. what is the magnitude of the emf induced betwe..
Ligh of wavelength 248nm is directed onto the surface of a metal, what is the longest wavelength of light which will eject electrons from this metal
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