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1) Two converging lenses, each of focal length 14.2 cm, are placed 59.9 cm apart, and an object is placed 26.6 cm in front of the first. Where is the final image relative to the second lens formed?
2) What is the magnification of the system?
What fractional increase in tension of one wire will lead to the occurrence of 2 beats/s when both wires oscillate simultaneously.
A single loop of wire is lying in the plane of a paper, What will be the direction of the induced current flowing in the loop
Sam (85 kg) takes off up a 50-m-high, 10° frictionless slope on his jet-powered skis. The skis have a thrust of 240 N. He keeps his skis tilted at 10° after becoming airborne. How far does Sam land from the base of the cliff.
An electron in an oscilloscope is accelerated as a result of the potential difference between the cathode and anode. The electron has negligible initial speed and a final speed of 2.40 107 m/s. Find the voltage drop from cathode to anode.
Determine the greatest vertical displacement of the pendulum (height). The mass lost by the rocket during these 30.0 is negligible. What impulse does an engine impart to the rocket?
The experiment done in lab is repeated, using a ball that has unknown mass m. You plot your data in the form of f?2 versus M/L, calculate the mass m of the ball
On a dry day, just after washing your hair to remove natural oils and drying it in detail, run a plastic comb through it. Small bits of paper will be attracted to the comb. Describe why.
A 20.0 ?, 9.00 ?, and 9.00 ? resistor are connected in parallel to an emf source, What is the potential difference across the source
A hollow conducting sphere has an inner radius of r1 = 0.19 m and an outer radius of r2 = 0.35 m, What is the field E in N/C 1 m from the sphere's outer surface
A gun shoots bullets that leave the muzzle with a speed of 341. If a bullet is to hit a target 177 away at the level of the muzzle, the gun should be aimed at a point above the target.
What was the ray's angle of incidence on the diamond. What should be the magnitude of , so that the net work done by it and the kinetic frictional force is zero.
What is the flux of Zn moving down the rod? Write down all your assumptions (hint: you will need to look up the density of copper. You do not need to account for the variation in density with alloy composition). Clarify what the boundary conditions w..
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