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A cylindrical lead rod with a diameter of 2.54 cm and a length of 76.2 cm is initially at a temperature of 20.0 C. Next, 2.27 kg of mercury at a temperature of 357 C is poured over the rod.
a) After reaching equilibrium, what is the final temperature of the rod and the mercury?
b) After reaching equilibrium, what is the length of the rod, in cm?
c) After reaching equilibrium, what is the volume of the rod?
Alpha particles (charge = +2e, mass = 6.68* 10^-27 kg) are accelerated in a cyclotron to a final orbit radius of 0.50 m. Determine the kinetic energy of an alpha particle in the final orbit
A 100-m-long train accelerates uniformly from rest. If the front of the train passes a railway worker 166-m down the track at a speed of 21 m/s, what will be the speed of the last car as it passes the worker.
A 1.10m long ramp is inclined at 16? to the horizontal. A solid ball is released from rest at the top of the ramp. Find its translational acceleration
A car driving directly north on the freeway at a speed of 110 km/h and a truck is leaving the freeway driving 85 km/h in a direction 35 west of north
A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.30?T and a wavelength of 434nm is traveling in the +xdirection, What is the amplitude of the associated electric field
What mass (in grams) of steam at 100°C should be mixed with 212 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 14.0°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg..
A bale of hay sits on the bed of a trailer. The trailer is starting to accelerate forward, and the bale is slipping toward the back of trailer. What would a force diagram and a free-body diagram look like for the above situation.
A long solenoid with 10.0 turns/cm and a radius of 7.00 cm carries a current of 20.0 mA. What is the magnitude of the magnetic field there
A block on a 30 degree incline has an initial velocity of 3.5 m/s up the incline. How long until it returns to where it started from
The power supply for a pulsed nitrogen laser has a 0.0050-mF capacitor with a maximum voltage rating of 30 kV, calculate the power of the laser pulse
Satellite is in a circular orbit about the earth (ME = 5.98 1024 kg). The period of the satellite is 3.70 104 s. What is the speed at which satellite travels.
How close to the edge of the 28.0 kg table, that is 2.2m with legs 1.2m apart, can a 62.0 kg person sit without tipping it over.
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