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A large punch bowl holds 3.80kg of lemonade (which is essentially water) at 20.0?C. A 5.10×10?2-kg ice cube at -10.0?C is placed in the lemonade.
A) What is the final temperature of the system? Ignore any heat exchange with the bowl or the surroundings.
B) What is the amount of ice (if any) remaining?
Determine the maximun wavelength of incident radiation that can be used to remove the remaining electron from a singly ionized helium atom He+ (z= 2)
A bullet with mass 4.85 g is fired horizontally into a 2.040-kg block attached to a horizontal spring, Find the initial speed of the bullet-block system
A crate of 30.2- tools rests on a horizontal floor. You exert a regularly increasing horizontal push on it and observe that the crate just begins to move while your force exceeds 319. After that you must reduce your push to 227 to keep it moving at a..
A rotating water pump works by taking water in at one side of the rotating wheel, and expelling it from the other side. If a pump with a radius of 0.120m starts from rest and accelerates at 30.50 rad/s2.
Iodine molecules dissociates into atoms after absorbing light of 4500 A.If one quantum of radiation is absorbed by each molecule, Find the KE of the iodine atoms
Monochromatic light with wavelength 580nm passes through a single slit 2.40 um wide and 1.70m from a screen.
Two equally charged, 1.00 {rm g} spheres are placed with 2.00 {rm cm} between their centers. When released, each begins to accelerate at 225 {rm m/s^2}. What is the magnitude of the charge on each sphere.
A moon orbits a planet because of the gravitational force between them. Similarly, each body also experiences a tidal force due to gravity. Consider how the magnitude of the tidal force changes as distance between a planet and moon varies.
An electric field of 254,000 N/C points due west at the certain spot. What are the magnitude and direction of the force that acts on the charge of -8.1 µC at this spot.
What is the energy range (in joules) of photons of wavelength 400nm to 760nm
The critical angle for a special type of glass in air is 41.8. The index of refraction for water is 1.33. What is the critical angle if glass is immersed in water.
A 2500lb car collides with a 25,000 lb truck. What force is exerted on the car by the truck
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