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Compute each part of given question:
Question: The image of a tree on a 35 mm color slide is 1.1 mm high. It is to be projected onto a screen 8 m from the slide, and is to appear 643 mm high.
Part I: What focal length lens (in meters) is needed?
Part II: What is the distance in meters between the lens and the slide?
Part III: What is the magnification of the system?
I want you to explain the physics in this problem.
A block with mass m1 = 8.6 kg is on an incline with an angle ? = 31.0° with respect to the horizontal. What is the coefficient of kinetic friction between the incline and the block
A wire of initial length L0 and radiusr0 has a measured resistance of 4.0 . The wire isdrawn under tensile stress to a new uniform radius of r =0.45r0. What is the new resistance of the wire?
An electric vehicle starts from rest and accelerates at a rate of2.2 m/s2 in a straight lineuntil it reaches a speed of 14 m/s. The vehicle then slows at a constant rate of 1.0 m/s2 untilit stops. How much time elapses from start to stop?
Gas in a container is at a pressure of 1.1 atm and a volume of 8.0 m3. What is the work done by the gas if (a) it expands at constant pressure to twice its initial volume
A small circular hole 7.00 in diameter is cut in the side of a large water tank, 25.0 below the water level in the tank. The top of the tank is open to the air.
A drinking fountain shoots water about 14 cm up in the air from a nozzle of diameter 0.60 cm. What gauge pressure does the pump have to provide
A proton (with a rest mass m=1.67×10?27kg) has a total energy that is 4.00 times its rest energy. What is the magnitude of the momentum p of the proton
A circuit contains only a(n) 0.219 H inductor. An AC voltage of peak value 163 V and frequency 61.3 Hz is applied to the circuit. When the instantaneous voltage is 163 V, what is the instantaneous AC current?
question1a relaxed biceps muscle requires a force of 25.0n for an elongation of 3.0 cm below maximum tension the same
You are testing a new amusement park roller coaster with an empty car with mass 123 kg. One part of the track is a vertical loop with radius 11.1 m, how much work is done by the friction
an auditorium measures 40.0m X20.0 m X 12.0 m. The density of air is 1.20 kg/m^3. find the weight of air in the room
Jim's dog Sparky runs 45.0m northeast to a tree, then 65.0m west to a second tree, and finally 25.0m south to a third tree. Calculate the direction of Sparky's net displacement
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