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1. Two convex lenses are used together to image objects. Pinky the cat is sitting 30 cm from the first lens, which has a focal length of 10 cm. A second lens, with focal eThrqih5 cm. is positioned 25 cm from the first. What is the magnification of Pinky's image through the two lenses?
2. A vertically polarized beam of light of intensity 100 W/m2 passes through two polarizers. The first polarizer is making an angle of 20° with its transmission axis and the second one is making an angle of 50° with the initial transmission axis. What is the transmitted intensity of this beam of light?
A geologist searching for oil finds that the gravity at a certain location is 8 parts in 107 smaller than average. Estimate the size of the deposit
Describe the relationship between emissions and concentrations of carbon dioxide for each scenario
In this problem, you will apply kinematic equations to a jumping flea. Take the magnitude of free-fall acceleration to be 9.80m/s^2. What is its initial velocity as it leaves the ground
The electric field between two identical but opposite charges, at seventh-fifteenth the distance from the negative charge to the positive charge, is 3.50 x 105 N/C, Evaluate what is the magnitude of each charge
question starting from its nest an eagle flies at constant speed for 3.2 min due east then 4.6 min due north. from
block 2 (mass 1.30 kg) is at rest on a frictionless surface andtouching the end of an unstretched spring of spring constant 292N/m. The other end of the spring is fixed to a wall. Block 1 (mass1.40 kg), traveling at speed v1 = 5.90 m/s,collides wi..
A student shoots spitball at the wall from a height of 1.50 meters. The spitball has an initial horizontal velocity of Vxo, other than has no vertical velocity component. The spitball lands on the ground 8 meters from where it was shot. What is the V..
a football quarterback throws a pass at an angle of 30.5deg. he releases the pass 3.50 m behind the line of scrimmage.
Two small balls are given positive charges. When they are a distance of 15.6 apart, the repulsive force between them has a magnitude of 0.220. What is the charge on the second sphere
Atypical sprinter speeds up through the first third of a race and slows gradually over the rest of course. Is it accurate to say that a sprinter is accelerating as he slows through the final two-thirds of the race?
In discharging a capacitor what percentage of the initial potential remains after one time constant has passed? After two times constants? Three times constants
At one location on the Earth, the rms value of the magnetic field caused by solar radiation is 1.85 µT. (a) Calculate the rms electric field due to solar radiation. V/m (b) Calculate the average energy density of the solar component of electromagn..
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