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Decide the specific internal energy of 98 L of neon gas at 400°C and 2 MPa. The neon gas has a total enthalpy of 1200 kJ . Suppose that the neon gas is an ideal gas.
A rotating door is made from four rectangular sections, asindicated in the drawing. The mass of each section is 80 kg. A person pushes on the outer edge of onesection with a force of F = 77 Nthat is directed perpendicular to the section. Determine th..
a passenger of mass 50.0 kg is in a car rounding a level curve of radius 100.0 m at a speed of 20.0 ms. a assuming that
The mass of a string is 1.00 10-3 kg, and it is stretched so the tension in it is 120 N. A transverse wave traveling on this string has a frequency of 260 Hz and a wavelength of 0.60 m. What is the length of the string?
Vector has a magnitude of 7.20 units and makes an angle of 39.5° counter-clockwise from positive x-axis. Vector has a magnitude of 8.00 units and is directed along the negative x-axis.
There are atleast three controls in the car which can be used to cause the carto accelerate. What accelerations do they produce
A truck is traveling at 13.1 m/s down a hill when the brakes on all four wheels lock. The hill makes an angle of 15 ° with respect to the horizontal. The coefficient of kinetic friction between the tires and the road is 0.815. How far does the..
Two equal-sized buckets are filled to the brim with water, but oneof them has a piece of wood floating in it. Which bucket of water weighs more
A diver observes a bubble of air rising from the bottom of a lake to the surface, What is the ratio of the volume of the bubble as it reaches the surface to its volume at the bottom
An electron has a momentum that is two times larger than its classical momentum. Find the speed of the electron
A 1250 kg car is moving at 23.5 m/s. Then, 253 kJ of work is done on the car to increase its speed. What will be the car's new speed
A large storage tank, open at the top and filled with water,develops a small hole in its side at a point 15.4 m below the water level. If the rate of flow from the leak is equalto 2.80*10-3 m3/min, determine thespeed at which the water leaves the ho..
The coeffiecient of static friction between Jimmy's hand and his tennis racket is 0.45. How hard must he squeeze the racket if he wants to exert a force of 200 N along the longitudinal axis of the racket
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