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A 200-g block of copper at a temperature of 90 degreesCelsius is dropped into 400 g of water at 27 degrees Celsius. The water is contained in a 300-g glass container. What is the final temperature of the mixture?
A piston-cylinder device initially contains 1 m of nitrogen gas at 400kpa and 27 c. Determine the final temperature of nitrogen
A catapult on a cliff launches a large round rock towards a ship on the ocean below. calculate the value of the angle theta
A suitcase falls out of an airplane which is 400 meters above the ground. How fast is it moving when it reaches the ground
A 87 g arrow is fired from a bow whose string exerts an average force of 105 N on the arrow over a distance of 76 cm. Illustrate what is the speed of the arrow as it leaves the bow?
Catapult fires an 800-kg rock with an initial velocity of 100 m/sat a 40° angle from ground. What is the magnitude of the horizontal impulse
a flywheel of mass 12kg and radius 20cm is mounted on a light horizontal axle of radius 5cm which rotates on
What are the similarities and differences between the virtual image formed of an object by a plane mirror and the virtual image of the same object, the same distance away from a convex mirror?
An ac generator with a frequency of 29.4 Hz and an rms voltage of 12.0 V is connected to a 49.5-µF capacitor. What is the maximum current in this circuit?
Two protons are moving directly toward one another. When they are very far apart, their initial speeds are 2.10 x 105 m/s. What is the distance of closest approach?
Suppose a capacitor in a video camera has a capacitance of 26.0 ?F, how much potential energy is stored in the capacitor
From the difference in mass of a hydrogen atom to the mass of a proton and an electron, estimate the binding energy of the electron in the hydrogen atom. Compare this to the ionization energy of the ground state electron as calculated by the Bohr mod..
a cubical box, 6.00 cm on each side, is immersed in a fluid. the gauge pressure at the top surface of the box is 652 PA, what is the density of the fluid
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