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A gas is compressed at a constant pressure of 0.800 atm from9.00 L to 2.00 L. In the process,400 J of energy leaves the gas by heat.
(A) How can I calculate the work done on the gas? and
(B) What would be the change in its internal energy?
A high-energy pulsed laser emits a 1.0-ns-long pulse of average power 3.4 *10^11 W. The beam is 2.1*10^-3 m in radius. Determine the energy delivered in each pulse
A cylindrical container 1.6 m tall contains mercury to a certain depth d. The rest of the cylinder is filled with water. If the pressure at the bottom of cylinder is two atmospheres, what is the depth d.
A particle moves along x axis according to equations x =2.00+3.00t-1.00t2, where x is in meters and t seconds. At t=3.00s, determine (a) the position of particle. (b) its velocity, and (c ) its acceleration.
a solenoid has a diameter of 12cm when a current i exists in its winding a uniform magnetic field of magnitude B = 30mT is produced in its interior. Calculate the magnitude of the induced electric field
A predatory fish can accelerate from rest to 5 m/s in 0.28 s. What is the acceleration of the fish
Some European trucks run on energy stored in a rotating flywheel, with an electric motor getting the flywheel up to its top speed of 370 ? rad/s. If the truck uses an average power of 7.7 kW, for how many minutes can it operate between chargings
If the average energy released in a fission event is 208 MeV, calculate the total number of fission events required to operate a 140 W lightbulb for 6.00 hr
The flux through a loop is given by ?m = (0.20t 2 - 0.58t) , where ?m is in webers and t is in seconds. Find the induced emf as a function of time
A thin 320g disk with a diameter of 5.20 cm rotates about an axis through its center with 0.705J of kinetic energy. What is the speed (in m/s) of a point on rim.
A 40.0-N crate starting at rest slides down a rough 6.00-m-long ramp, inclined at 30.0° with the horizontal. What is the speed of the crate at the bottom of the incline
A piece of wood is 0.700{\rm m} long, 0.210{\rm m} wide, and 8.00×10?2{\rm m} thick. What is the mass of this volume of lead
A 0.144 kg baseball leaves a pitcher's hand at a speed of 22.5 m/s. If air drag is negligible, how much work has the pitcher done on the ball by throwing it
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