Explain what is the change in energy of the system
A gas expands and does P-V work on thesurroundings equal to 287 J. At the same time, it absorbs 216 J of heat from the surroundings. What is the change in energy of the system?
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The flow of water is 4 ft^3/s. What horsepower is delivered by the pump to the flow if the efficiency of the pump is 80%?
What is the speed Vfinal of the electron when it is 10.0 cm from charge 1?
A steel plate, which is 1.5 m by 1.5 m and 30 mm thick, is lifted by four cables attached to its corners that meet at a point that is 2 m above the plate.
A 0.54 kg object connected to a light spring with a force constant of 21.0 N/m oscillates on a frictionless horizontal surface. If the spring is compressed 4.0 cm and released from rest. (a) Determine the maximum speed of the object.
If the maximum transverse shear force in the beam is 15 kN, and if the maximum shear force each weld can resist is 5 kN, calculate the maximum allowable spacing between each weld.
Transverse waves with a speed of 53.0 m/s are to be produced on a stretched string. A 4.45 m length of string with a total mass of 0.0600 kg is used. (a) What is the required tension in the string?
An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots weighing between 130 lb and 191 lb. The new population of pilots has normally distributed weights with a mean of 136 lb and a standard deviation of
The mass of an empty container is 76.35g. The mass of thecontainer when filled with an unknown liquid (d=1.25g/ml) is195.50g. What is the mass of the container when filled with mercury? The density of Hg = 13.6 g/cm^3.
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This discussion post aims to explore the role and impact of community partnerships or coalitions in promoting health and well-being within your home community