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A converging lens and a diverging lens, separated by a distance of 30.0 cm, are used in combination. The converging lens has a focal length of 15.0 cm. The diverging lens is of unknown focal length. An object is placed 60.0 cm to the left of the converging lens; the final image is formed 6.00 cm to the left of the diverging lens. Calculate the focal length of the diverging lens.
Suppose a ball player throws a ball at an angle of 55 degrees and a speed of 25 m/s. Next to the ball thrower, What is the distance the ball is thrown
A wire whose resistance is R = 140 is cut into 9 equally long pieces, which are then connected in parallel. What is the resistance of the parallel combination
A flight controller determines that an airplane is 30.0mi south of him, Half an hour later the same plane is 30.0mi north west of him, What is the magnitude of its velocity during this time
How many centimeters thick would the concrete need to be so that 18.0 per cent of the neutrons are transmitted.
A charge +q is located at the origin, while an identical charge is located on the x axis at x = +0.42 m. find Where should the third charge be located
An elevator and its load have a combined mass of 1450 kg, Find the tension in the supporting cable when the elevator, originally moving downward at 11 m/s
There are 3 force vectors acting upon a central mass of m = 2.5 kg. What is the magnitude and direction of the acceleration
A telescope can be used to enlarge the diameter of a laser beam and limit diffraction spreading. what is the minimum angular spread of the beam
A 116 kg chesterfield is pushed up a frictionless ramp at the constant speed by a delivery person. If the ramp is inclined at 25.80° to horizontal. What is the magnitude of the normal force that is exerted on the chesterfield by the ramp.
The amplitude of an oscillator decreases to 68.7% of its initial value in 30.0s. What is the value of the time constant
The nearby town of Bellefonte, PA features the Gamble Mill, an old mill originally used to grind grain into flour - 1800s hydropower. At $0.07 per kWh, what is this energy worth per day
Physics: Solve a population doubling question, An easy way to find the time it takes for compound interest to double an investment is to divide 72 by the interest rate in percent.
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