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EXPERIMENT: Specific Heat Capacity of Metals
Questions: A. Why is it a good idea to start with room temperature water in the calorimeter? B. Why did we ignore the calorimeter in our calculation, although it is listed in the original equation? C. When eating apple pie, you may have noticed that the filling seems to be much hotter than the crust. Why is this? What can you conclude about the specific heat of the fillings vs. the specific heat of the crust? D. Is the heat exchange between the metal and the water in the calorimeter by radiation, conduction or convection? Why?
a horizontal metal bar of length l falls vertically through a horizontal magnetic field of strength b. a show that if
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consider an equilateral triangle inscribed in a circle of radius a with a point charge q at each vertex. the electric
You push your physics book 1.70{\rm m} along a horizontal tabletop with a horizontal push of 2.80{\rm N} while the opposing force of friction is 0.700{\rm N}
The flywheel of a steam engine begins to rotate from rest with a constant angular acceleration of 1.43 rad/s2. It accelerates for 31.5 s, then maintains a constant angular velocity
You take a trip to Pluto and back (round trip 11.5 billion km), traveling at a constant speed (except for the turnaround at Pluto) of 44500 km/hr. How long does the trip take, in hours, from the point of view of a friend on earth
A particle moves along a straight line with an acceleration of a = 2pi / (2s^(2/3) + 3s^(5/8)) m/s^2, where s is in meters. Determine the particles velocity when s = 2 m, if it starts from rest when s = 1m.
A spinning flywheel has rotational inertia I = 405.0 kg•m2. Its angular velocity decreases from 20.3 rad/s to zero in 250.3 second due to friction. Compute what is the frictional torque acting
A car dealer claims that his product will accelerate at a constant rate from rest to a speed of 200 km/hr in 8s. What estimated distance will the car travel.
an 84-o resistor and a 74-o resistor are connected in series across a battery. the voltage across the 84-o resistor is
A crate is dragged 4.0m along a rough floor with a constant velocity by a worker applying a force of 450N to a rope at an angle of 30? to the horizontal
If you set up a standing wave of 6 segments, how many waves will occur if you triple your frequency? How many wavelengths will there be
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