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A cup with mass 4.1 kg has been sitting in a room with a temperature of 23 oC for a long time. A person pours 916 grams of water with a temperature of 47 oC into the cup. After a while, the cup and water reach thermal equilibrium with a temperature of 40 oC.
Calculate the specific heat of the cup if the specific heat of water is 4186 J/kgoC.
A solid ball of mass .30kg and radius .053m is rolling without slipping along a horizontal surface with a linear speed of 2.3m/s. obtain is its total Kinetic energy
At a distance d (d > L) under the point of suspension there is an infinite plane conductor. Find the frequency of the pendulum, for small amplitudes. You can neglect gravity. What criterion determines that that is valid
An ideal gas expands at a constant pressure of 2.1 atm from 446 mL to 844 mL. Heat then flows out of the gas, What is the total heat flow into the gas
If two successive overtones of a vibrating string are 420 Hz and 480 Hz, what is the frequency of the first overtone
A 0.46 kg piece of wood floats in water but is found to sink in alcohol (specific gravity = 0.79) in which it has an apparent mass of 0.037 kg
question1a helicopter is ascending vertically with a speed of 5.03. at a height of 132 above the earth a package is
A 92 kg man standing on a surface of negligible friction shoves a 73 g stone lying at his feet, giving it a velocity of 4.0 m/s. What velocity does the man acquire as a result.
A 40cm -tall, 6.0cm -diameter cylindrical beaker is filled to its brim with water. What is the downward force of the water on the bottom of the beaker
What is an average velocity of the rock
A golf ball is struck with a five iron on level ground. It lands 92.7 away 4.10 later. find the magnitude of the initial velocity
four long straight wires are perpendicular to the page and their cross sections form a square of edge length a 6.65
Three polarizing plates whose planes are parallel are centered on a common axis. The directions of the transmission axes relative to common vertical direction.
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