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1. Air expands from a tank maintained at 18-C and 250 kPa to the atmosphere. Estimate its minimum temperature as it exits. 2. Air at 22-C is received from the atmosphere into a 200 cm3 cylinder. Estimate the pressure and temperature if it is compressed isentropically to 10 cm3.
A thin, cylindrical rodscript l=24.6cmlong with a massm= 1.20 kghas a ball of diameterd=10.00cmand massM= 2.00 kgattached to one end. The arrangement is originally vertical and stationary, with the ball at the top as shown in the figure below. The co..
Determine the amount by which the star's thermal radiation increases the entropy of the universe each second. Assume that the star is a perfect blackbody, and that the average temperature of the rest of the universe is 2.73 K. Do not consider ther..
A high speed test track for cars has a curved section an arc of a circle of radius r= 752 meter. Find the normal force from the road on the car in this situation
A bicyclist rides 3.19 km due east, while the resistive force from the air has a magnitude of 8.83 N and points due west. Find the work done by the resistive force during the round trip
A projectile is fired at an upward angle of 45° from the top of a 212 m cliff with a speed of 161 m/s. What would be its speed while it strikes the ground below.
a vessel of cross section 20 cm2 has at the bottom a horizontal capillary tube of length 10 cm and internal diameter
A wood log with a volume of 12 ft3 is submerged in water. Calculate the buoyant force (in Newtons) acting on the log
A man who is 1.2 meter tall throws a ball with a speed of 5.1 m/s at an angle of 27o above the horizontal. Determine the x and y components of the velocity
two spaceships pass each other travelling in opposite directions. the speed of ship b as measured by a passenger in
a solid conducting sphere of radius 2.00 cm has a charge of 8.60 microc. a conducting spherical shell of inner radius
a 1000kg cart is rolling to the right at 5.0ms. a 70kg man is standing on the right of the cart. what is the speed of
A 53.8 kg astronaut is on a space walk away from the shuttle when her tether line breaks. Determine the maximum distance she can be from the craft
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