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The working substance of an engine is 1.00 mol of diatomic gas. The engine operates in a cycle consisting of three steps: (1) an adiabatic expansion from an initial volume of 9.00 L to a pressure of 1.00 atm and a volume of 30.6 L, (2) a compression at constant pressure to its original volume of 9.00 L, and (3) heating at constant volume to its original pressure. Find the efficiency of this cycle.
The femur is a bone in the leg whose minimum cross-sectional area is about 4.5 x 10-4 m2. A compression force in excess of 7.7 x 104 N will fracture this bone. Bone has a compression Young's modulus of 9.4 x 10^9 N/m2
Compute the magnetic flux
A car starts from rest and accelerates at a constant rate of 3.00 m/s^2 until it is moving at 18.0 m/s. The car then decreases its acceleration to 0.500 m/s^2 and continues moving for an additional 250 m. Find the total time taken.
A spectral line from the left side of Saturn's rings, as you see them, is at a wavelength slightly shorter than the same spectral line measured from the right side of Saturn's rings. Which way (direction) is Saturn rotating and why?
A plate of glass with parallel faces having a refractive index of 1.57 is resting on the surface of water in tank. A ray of light coming from above in air makes an angle of incidence 34.5 degrees with normal to the top surface of the glass.
A cannonball is shot (from ground level) with an initial horizontal velocity of 40 m/s and an initial vertical velocity of 21 m/s, What is the initial angle of the cannonball with respect to the ground
A charge of 16.8 ?C is at the geometric center of a cube, What is the electric flux through one of the faces
If coefficient of kinetic friction between the box and the floor is 0.570, how long does it take to move the box 4.00 m, starting from rest.
A dog searching for a bone walks 3.00 m south, then 8.20 m at an angle 30.0° north of east, and finally 14.0 m west. Find out the dog's resultant displacement vector using graphical techniques.
A child is twirling a 0.012 kg ball on a string in a horizontal circle whose radius is .100 meters. The ball travels once around the circle in .500 seconds.
determine the weight of the collar.
High-speed stroboscopic photographs show that the head of a 190-g golf club is traveling at 58 m/s just before it strikes a 46-g golf ball at rest on a tee, Find the speed of the golf ball just after impact
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