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In an insulated vessel, 260 g of ice at0°C is added to 630 g of water at19.0°C.
a) What is the final temperature of the system?b) How much ice remains when the system reaches equilibrium?
Calculate the angular velocity of a clock's second hand. State in rad/s. and Calculate the angular velocity of a clock's minute hand
A hot air balloon plus cargo has a mass of 291 kg and a volume of 755 m3. The balloon is floating at a constant height of 6.25 m above the ground. The density of the outside air may be assumed to be 1.29 kg/m3. What is the density of the hot air in t..
A 5.0kg block is put on top of a 6.5kg block. To cause the top block to slip on the bottom one, while the bottom one is held fixed, Find the resulting acceleration of the blocks
At the bottom, it hits another stationary car with equal mass. The two cars have Velcro and stick together. At what speed do the two cars move after the collision
A 10.0-m long string is moved up and down with simple harmonic motion with a frequency of 33 Hz. Determine the wavelength of the waves on the string
A long, narrow steel rod of length 2.5000 m at 25 C is oscillating as a pendulum about a horizontal axis through one end. what will be the fractional change in its period
A capacitor is constructed with plates of area A and separation s. The area between the plates is ?lled with a weakly ionized gas — a very poor conductive medium with resistivity = 10^8 ohms * cm. The density of the gas is so low that it has no e?e..
What is an average speed of the runner
There are many estimates of the number of stars in the universe. One estimate is that there are 1010 stars in the Milky Way galaxy, and that there are 1010 galaxies in the universe.
A roller coaster car (mass = 988 kg including passengers) is about to roll down a track. At what speed does the car reach the top of the loop
a transverse periodic wave is represented by the equation z(y,t) = 1.50cm sin(1250 rad/s t + 10.0m -1 y). What is the velocity of the wave and which direction
If it takes light 8 ns to travel 1.655 m in an optical cable, what is the index of refraction of the cable
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