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A sample of idea gas expands from an initial pressure and volume of 32 atm and 1.0 L to a final volume of 4.0L. The initial temperature is 300K. If the gas is Monatomic and the expansion isothermal, what are the (a) final pressure (b) final temperature (c) work W down by the gas? If the gas is monatomic and the expansion adiabatic what are (d) find pressure (e) final temperature and (f) W?
What is the magnitude of the acceleration of rock.
At a given time, t_0, sample A contains 750,000 radioactive nuclei. During the 1 hour before t_0, a total of 280,000 decays were observed from this sample. Calculate the half-life of the radioactive material
a 7.0 N force is applied horizontally on a book that weighs 20N that is resting on a tabletop. If µs=.50 between the book and table, find the force of static friction on the book
Ships A and B leave port together. For the next two hours, ship A travels at 40.0mph in a direction 40.0 degree west of north while the ship B travels 50.0 ?east of north at 40.0mph. What is the speed of ship A as seen by ship B
Estimate the force on a 145-gram baseball if it hits the bat at 50 miles per hour and stays in contact with the bat for 0.1 second
A hollow sphere of radius 0.50 m, with rotational inertia I = 0.038 kg m2 about a linethrough its center of mass, rolls without slipping up a surfaceinclined at 40° to the horizontal. Ata certain initial position, the sphere's total kinetic energy ..
On a frictionless, horizontal air table, puck A (with mass0.250 kg) is moving toward puck B (with mass 0.330 kg),which is initially at rest. After the collision, puck Ahas a velocity of 0.120 m/s to the left, and puck B has avelocity of 0.830 m/s ..
What is the combined contact force on the log by ropes 1 and 2? In this case, give your direction in terms of an angle in degrees measured counterclockwise (CCW) from the Easterly direction. The angle may be anything between 0 and 180 degrees.
Two slits of equal width are a distance 0.57 mm apart and are illuminated by coherent, mono-chromatic light. compute the widths of the slits
The mass m = 1.02 kg is sliding on a rough horizontal surface. A force F = 8.41 N is applied at an angle of 36.4 degrees. Compute the acceleration a (in m/s2) of the mass on the surface if the coefficient of kinetic friction is 0.112. Use g = 9.8 m/s..
A light plane is headed due south with a velocity of 157 km/h relative to still air. After 1.00 hour, the pilot notices that they have covered only 121 km and their direction is not south but southeast (45.0^circ).
Two carts with masses of 4.80 kg and 2.78 kg move toward each other on a frictionless track with speeds of 4.94m/s and 3.17m/s respectively. The carts stick together after colliding head-on. Find out the final speed.
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