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A gas is enclosed in a container fitted with a piston of cross-sectional area 0.13 m2. The pressure of the gas is maintained at 7490 Pa as the piston moves inward 9 cm. Calculate the work done by the gas. Answer in units of J. And, if the internal energy of the gas decreases by 10.1 J, find the amount of heat removed from the compression. Answer in units of J.
A pair of narrow slits are .075 mm apart and are located 1.5 m from the screen. Find the wavelength of the beam
Illustrate what are the distinguishing characteristics of the EMTN and explain why it is such a popular form of financing for MNEs?
a car with a mass 1865 kg is travelling west and slows down uniformly to 8.5 m/s over a distance of 108 m. calculate the initial speed of the car if the required braking force is 7525 N
The specific heat capacity of the material use to make the block is C resolve the temperature rise that results from the collision in terms of C and the other given quantities.( suppose that no energy is transferred to the track or the surrounding..
Two charges, q1 = -80 nC and q2 = +50 nC are placed 3 m apart as shown. The (x,y) coordinates of the charges and two other points in meters are indicated. Find out the electric potential at points A and B
A 1.49 kg ball is connected by means of two ideal strings to a vertical, rotating rod. The strings are tied to the rod and are taut. What is the tension in the lower string
A 800 kg rocket sled can be accelerated at a constant rate from rest to 1300 km/h in 2.4 s. What is the magnitude of the required net force
federal statute requires that a car's bumper be designed to withstand a 2.50 mph (1.12m/s) collision with an immovable object without damage to the body of the car. Calculate the average force on a bumper
An archeological specimen containing 8.7 g of carbon has an activity of 1.8 Bq. How old (in years) is the specimen
An electron moves from point A where the potential is Va=+20.0kV to point B where the potential is Vb=- 40.0 kV. what was the change of the system's electric potential
If the hanging 13.8 kg block falls a distance 0.633 m before coming to rest, calculate the coefficient of kinetic friction between the block m1 and the surface
A nickel crystal is used as a diffraction grating for x-rays. Then the same crystal is used to diffract electrons. what is the kinetic energy of each electron
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