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A pyrex beaker that holds 250 ml of water at 20 degrees celcius is filled to the brim. The system is heated to 40 degrees celcius, how much water (if any) will spill out of the beaker?
Two polarizers are out of alignment by 22.1°. If light of intensity 1.00 W/m2 and initially polarized halfway between the polarizing angles of the two filters passes through the two filters
A 43-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, How high does she rise during this interval
A point charge of ?3.3 ?C is located in a uniform electric field of 34 N/C. You move the charge, find the resulting change in the electric potential energy of the system
question1a spherical mirror is polished on both sides. when concave side is used as a mirror the magnification is 2.0.
A capacitor with its plates separated by paper stores 4.6 nC of charge when it is connected to a particular battery. How much charge does that capacitor store
In the typical X-ray lamp. The electrons are accelearated in the potential difference of 10000V before hitting the water cooled electrode. Find the shortest wavelength of X-rays produced in this lamp.
Light of wavelength 631 passes through a diffraction grating having 485. What is the angle of the bright spot farthest from the center
The flywheel of an engine has a moment of inertia 2.50 about its rotation axis. What constant torque is required to bring it up to the angular speed of 390 in a time of 8.50, starting from rest? What is its last kinetic energy . Discover an angular..
A metal ball with diameter of a half a centimeter and hanging from an insulating thread is charged up with 1020 excess electrons. An initially uncharged identical metal ball hanging from an insulating thread is brought in contact with the first ball,..
Two spherical balls have volumes in the ratio of 27:1. What is the ratio of their surface areas
A bus contains a 1440 kg flywheel ( a disk that has a 0.670 m radius ) and has a total mass of 9400 kg. Calculate the angular velocity of the flywheel
Objects that are at rest relative to Earth's surface are in circular motion due to Earth's rotation. What is the radial acceleration of a tree
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