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A magnifying glass can be utilized to focus sunlight to a single point. Describe physically and mathematically how this process occurs using:
a) Geometrical ray optics
[Hint: the sunlight can be considered as an object located at infinity]
b) Image formation by lens
[Hint: the sunlight can be mathematically expressed as source of infinite extent, of constant light intensity, given by f(x, y)=a where a is a constant]
A 16-kg rotating disk of radius 0.26m has an angular momentum of 0.30KGg * m^2/s, What is the angular speed of the disk
One mole of a dilute gas initially has a pressure equal to 1.00 atm, and a volume equal to 13.0 L and an internal energy of 1.98 kJ. As the gas is slowly heated, Find the heat absorbed by the gas
A 28.2-cm-long uniformly charged rod is sealed in a container. The total electric flux leaving the container is 1.47 106 N m2/C. Determine the linear charge distribution on the rod.
A 1500kg weather rocket accelerates upward at 10m/s2. It explodes 1.9s after liftoff and breaks into two fragments, What was the speed of the heavier fragment just after the explosion
a cheetah can accelerate from rest to 22.0 ms in 6.76 s.a assuming constant acceleration how far has the cheetah run in
In an electron microscope, there is an electron gun that contains two charged metallic plates 2.65 cm apart. Determine the time interval the electron spends between the plates
Consider a three dimensional rectangular infinite potential well with sides of length L, 2L and 3L. What is the energy of the first excited state relative to the energy of the ground state
what is the diameter of the copper rod. Pull horizontally on a crate with a force of 140 N and it slides across the floor in a dynamic equilibrium. How much friction is acting on crate.
a 90 kg sofa sits stubbornly on the wrong side of your living room. if the coefficient of static friction between the
a particle is trapped in an infinite square well in the first excited state .a what is the wavefunction of the
A transformer is to be used to provide power for a computer disk drive that needs 5.8 V (rms) instead of the 120 V (rms) from the wall outlet. Find the number of turns in the secondary
When the air temperature is below 0, the water at the surface of a lake freezes to form a sheet of ice. If the upper surface of an ice sheet 24.60 cm thick is at -10.30 Celsius and the bottom surface is at 0.00 Celsius, compute the time it will ta..
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