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A convex lens of focal length 10 cm is placed 40 cm in front of a concave lens of focal length 25 cm.A small object is placed 20 cm in front of the convex lens calculate the location of the final image relative to the second lens. Include a ray diagram
An AC generator has 100 rectangular loops on its armature. Each loop is 11 cm long and 6 cm wide. The armature rotates at 1400 rpm about an axis parallel to the long side. If the loop rotates in a uniform magnetic field of 0.7 T, which is perpendicul..
A uniform beam of mass M and length L is pinned to the wall and supported in equilibrium by a thin cable attached a distance d from the free end of the beam. Calculate the force exerted by the pin on the beam in vector form
A thin spherical shell of mass 0.300 kg and diameter 0.190 m is filled with alcohol. It is then released from rest on the bottom of a pool of water. Find the acceleration of the alcohol filled shell as it rises toward the surface of the water.
An emf is induced in a conducting loop of wire 1.14m long as its shape is changed from square to circular, Find the average magnitude of the induced emf if the change in shape occurs in 4.23s
A jumper in the long-jump goes into the jump with a speed of 12 m/s at an angle of 20 deg. above the horizontal. How far does the jumper jump?
A ring with radius R has a total charge Q uniformly distributed around it. To leading order, find the electric field at a point along the axis of the ring, a very small distance z from the center
An 88 kg spacewalking astronaut pushes off a 640kg satellite, exerting a 640N force for the 0.60 s it takes him to straighten his arms.
A small glass bead has been charged to +19 nC. A metal ball bearing 1.0 cm above the bead feels a 0.025 N downward electric force
First, you will investigate purely vertical motion. The kinematics equation for vertical motion (ignoring air resistance) is given by y(t) = y0 + V0t-(1/2)gt^2 where y0=0 is the initial position, How long does it take for the baseball to hit the gr..
The critical density of the universe is 5.80×10^?27 kg/m^3. Assuming that the universe is all hydrogen, express the critical density in the number of H atoms per cubic meter.
A series RC circuit with R=10 ohms and C=330mF is connected to a 120 Volt rms 60 Hz source. Find the voltage across the capacitor
While you are packing up to drive to school, you forget your laptop on the roof of your car. As you are driving west towards school at v = 45 mi/hr, What is the maximum acceleration (magnitude AND direction) that can be applied to the car
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