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A 5.7-kg block of aluminum is heated from 30°C to 70°C at atmospheric pressure.
(a) Find the work done by the aluminum.
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(b) Find the amount of energy transferred to it by heat.
(c) Find the increase in its internal energy.
A 450 nm laser is shown through a single slit. A second 450 nm laser is shown through a double slit. Find the location of the third order minimum for both the single and double slit
A light bulb has a resistance of 270 . It is connected to a standard wall socket (120 V rms, 60.0 Hz). Determine the rms current in the bulb
The height of a helicopter above the ground is given by h = 3.20 t3, where h is in meters and t is in seconds. At t = 1.95s, the helicopter releases a small mailbag. How long after its release does mailbag reach the ground.
Two moles of an ideal gas are placed in a container whose volume is 6.9 x 10-3 m3. What is the average translational kinetic energy of a molecule of the gas
a car moving at 10.0 m/s encounters a bump that has a circular cross-section with radius of 30.0m, What is normal force exerted by the seat of the car
A 60 kg gymnast holds an iron cross position on the rings. What torque is exerted by the right ring about the right shoulder joint
An aircraft weighing 803 N is accelerated at 10 m/s2 for 9 seconds, at which time the aircraft launches. How much work was done on the aircraft
A helium-neon laser emits light of wavelength 632.8 nm and has a power output of 13 mW. How many photons are emitted per second by this laser
A 7.9-m long string is moved up and down with simple harmonic motion with a frequency of 91 Hz. Determine the velocity of the wave on the sting
A technician wraps wire around a tube of length 33 cm having a diameter of 8.1 cm. what is the self-induced emf in the solenoid
A solid spherical ball of mass 2.3 kg and radius 0.11 m rolls along a smooth, What is the ball's rotational kinetic energy
Two cars travel in the same direction along a straight highway, How far must the faster car travel before it has a 15-min lead on the slower car
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