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An aluminum can is filled to the brim with a liquid. The liquid and the can are heated thus their temperatures change by the equal amount. The can's initial volume at 5 °C is 6.7 ×10-4 m3. The coefficient of volume expansion for aluminum is 69 × 10-6 (C°)-1.When the liquid and the can are heated to 86 °C, 7.3 ×10-6 m3 of liquid spills over. Find the coefficient of volume expansion of the liquid?
Even as exploring a sunken ocean liner, principal researcher found the absolute pressure on the robot observation submarine at the level of the ship to be about 413 atmospheres. The density of seawater is 1025kg/m^3.
A piece of lead [c = 128 J/(kg·C°)] is heated from 18.0 °C to 40.1 °C. The same amount of heat is added to a piece of copper [c = 387 J/(kg·C°)]. find the final temperature Tf of the copper
a model rocket launches with an initial velocity of 10 ms at an angle of 81 degrees with respect to the horizon. the
a diesel engine weighing 20.5 ton 1 ton 1000 kg is at rest on a track inclined at an angle of 7.5deg. five cars each
A disgruntled autoworker pushes a small foreign import off acliff with a height of h. Determine how fast the vehicle was pushed off the cliff
A uniform disk with a mass of 885 g and radius 17.0 cm is rotating on frictionless bearings with an rotational speed of 18.0 Hz when Jill drops a 145-g clod of clay on a point 8.40 cm from the center of the disk, where it sticks. What is the new rota..
After thermal equilibrium has been reached, the system has a change in temperature measured as 0.020 oC. explain the entering speed of the bullet.
A cart has a mass of 851.8 g the attached string has a tension of 0.36 N and a displacement of 40.9 cm. what is the kinetic energy of the cart
An aircraft has a lift-off of 120km/h. (a) What minimum constant acceleration does the aircraft require if it is to be airborne after a takeoff run of 240m (b) How long does it take the aircraft to become airborne
A woman of massm=50.1kg sits on the left end of a seesaw-a plank of lengthL=3.99m-pivoted in the middle, Find the normal force exerted by the pivot if the plank has a mass ofmpl=10.2kg
A steel cable with total length 20m and mass 100kg is connected to two poles. The tension in the cable is 2,000N, and the wind makes the cable vibrate with a frequency of 2Hz. Calculate the wavelength of the resulting wave on the cable.
Two wires in figure P19.5 carry currents of 3A and 5A in the direction indicated (out of the page). a) find the direction and the magnitude of the magnetic field at a point midway between the two wires. b) find the magnitude and the direction of the ..
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