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A 39.4 g cube of ice, initially at 0.0 °C, is dropped into 220 g of water in an 80-g aluminum container. The water is initially at 35 °C and the aluminum container is initially at 25 °C. Remember to take in to account the melting of the ice. What is the final equilibrium temperature in °C?
A solid steel rod of length 120-cm and mass 450 grams, is rotated about its center with an angular acceleration 23 rad/s2. What is the moment of inertia of the rod, What is the net torque acting on the rod
If the density of the wall material is the same as that of pure water, what is the mass (in mg) of the cell wall, assuming the cell to be spherical and the wall to be a very thin spherical shell
Determine the power a car engine contributes to speeding the 1300 kilogram car up to a highway speed of 65.0 mi/h in 17.0 second
in a laboratory experiment one end of a horizontal string is tied to a support while the other end passes over a
A nuclearpower planthas a reactor that produces heat at the rate of870MW. At what rate is heat discarded to the environment by this power plant
A 2.46×10^4 rocket blasts off vertically from the earth's surface with a constant acceleration. Throughout the motion considered in the problem, suppose that remains constant. Inside the rocket, a 15.10 instrument hangs from a wire that can support a..
The electric field near the surface of Earth points downward and has a magnitude of 156 N/C. What is the ratio of the magnitude of the upward electric force on an electron to the magnitude of gravitational force on the electron?
The tank shown below is secured to a concrete slab by bolts and receives an organic liquid (sp. gr. 0.72) from a filler line which enters the tank 1 ft.
The mass of a string is 1.00 10-3 kg, and it is stretched so the tension in it is 120 N. What is the length of the string
If all the forces determined in Exercise 1 are increased proportionally, use the interacting criterion to determine the first ply failure load, and the last ply failure load assuming d = 0.999.
1. What force does the wall exert on the ladder? 2. Find the friction force that the floor exerts on the ladder. 3. Find the normal force that the floor exerts on the ladder.
Three blocks are located on a horizontal frictionless table. They are connected by a massless cord, What is the acceleration of the system
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