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A 200 gram aluminum can holds 150 mL of water; they are in thermal equilibrium at 68.0oC. Then 100 mL of ethyl alcohol at 12oC is added to the water. Find the final temperature of the water-alcohol mixture?
Use the data of Table 7.3 to find the point between Mars and the Sun at which an object can be placedso that the net gravitational force exerted by Mars and Sun on this object is zero.
Four wires meet at a junction. In two of the wires currents I1 = 1.51 A and I2 = 2.99 A enter the junction. Find the current in the fourth wire
A 18 g rifle bullet traveling 230 m/s buries itself in a 3.6 kg pendulum hanging on a 2.8 m long string, obtain the horizontal component of the pendulum's displacement
a 100 kg cannon at rest contains a 10 kg connon ball. When fired, the cannon ball exits the cannon with a speed of 90m/s. What is the recoil speed of the cannon
An infinitely long line of charge has a linear charge density of 7.00×10^?12 C/m. How close does the proton get to the line of charge
The femur is a bone in the leg whose minimum cross-sectional area is about 4.3 x 10-4 m2. Find the maximum stress that this bone can withstand
The police officer, knowing that the coefficient of kinetic friction between tires and road is 0.80, compute the speed of the sports car at impact.
A man pushes a box with a constant horizontal force. The mass of the box is 150 kg, the coefficient of kinetic friction between the box and the floor is 0.25, Find the work done by the man
A loudspeaker of mass 19.0 is suspended a distance of = 2.00 below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of = 3.30. Illustrate what is the tension in each of the cables?
a sample of serum has a mass of 54 mg and a volume of 225 cm3. what is its density in gcm3? what would be the mass of
Using energy considerations, compute the average force the beam exerts on the pile driver while the pile driver is brought to rest.
What is the main possible displacement of the shopper
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