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A pinhole camera is made from an 85cm -long box with a small hole in one end. If the hole is 5.4m from a 1.7m -tall person, how tall will the image of the person on the film be?
When a capacitor, battery, and resistor are connected in series, does the resistor affect the maximum charge stores on the capacitors? Why or why not? What purpose does the resistor serve?
6.63 mol of argon gas is admitted to an evacuated 158.85 cm3 container at 48.95oC. compute the final pressure
A muon is created by a cosmic ray high in Earth's atmosphere. It travels towards Earth at a speed v = 0.93c for a distance of 4.7km as gauged by an observer at rest with respect to Earth. The muon is unstable, and decays (self-destructs) into 3 other..
The electron gun in a traditional television tube fires electrons of kinetic energy 25 keV at thescreen in a circular beam 0.22 mm in diameter; 5.6 multiplied by 1014 electrons arrive eachsecond.
Two sound sources of 785.0Hz and 783.4Hz with the same intensity are played together. What do you hear and how frequently
a train on a straight level track has an initial speed of 37.0 kmh . a uniform acceleration of 1.10 ms2 is applied
A gas in a cylinder with a piston that slides freely within is adiabatically expanded from 1.5 to 1.7 m3. by what amount did the internal energy of the gas change during this expansion
An object originally at rest breaks into two pieces as the result of an explosion. One piece (m2) has four times the kinetic energy of the other piece (m1). What is the ratio of the masses of the two pieces?
A transformer has an input coil by Nin = 450 turns and N out = 950 turns. If the voltage across the input coil has amplitude of 1.6 V, what is the voltage across the output circuit?
The pressure on a 1 L-sample of water is increased from 1 atm to 200 atm, reducing its volume by 1%. Draw the pressure-versus-volume graph for this process
Tension is maintained in a string as in the figure below. What is the mass per unit length of the string
Two small metallic spheres, each of mass m = 0.180 g, are suspended as pendulums by light strings of length L, How long are the strings
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