How much work is required to bring a positive charge
A point charge of 7.0 x 10-9 C is located at the origin. How much work is required to bring a positive charge of 3.0 x 10-9 C from infinity to the location x = 30.0 cm
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Consider the combustion of ethylene, C2H4 (g) + 3 O2 (g) ------> 2 CO2 (g) + 2 H2O (g). If the concentration of C2H4 is decreasing at the rate of 0.025 M/s, what are the rates of change in the concentrations of CO2 and H2O?
The helicopter and the sensor both move only in the horizontal direction and have a horizontal acceleration of magnitude 2.88 m/s2. Ignoring air resistance, find the tension in the cable towing the sensor.
Now the valve is opened and helium is allowed to flow into the tank until the pressure reaches 200kPa, at which point the valve is closed. Determine the flow work of the helium in the supply line and the final temperature in the tank?
You take a 25.00 g ice cube (temperature -20 EC) and place it in 225.00 g of water at 22 EC. What will the temperature of the water be when the ice cube has just melted. Assume the specific heat capacity for ice and water is 4.184 J/K@g.
Messages arrive to a computer server according to a Poisson distribution with a mean rate of 10 per hour. Round your answers to four decimal places (e.g. 98.7654).
Phenol is a common organic compound that may be used as a disinfectant. Its pKa in water is 10.0 while in methanol its pKa = 14.4. Is it a stronger acid in water or methanol? Explain the difference in the pKa for phenol in the different solvents.
The metal body for a spark plug is made by a combination of cold extrusion and machining. The occurrence of surface cracking following the extrusion process has been shown by Pareto diagrams to be responsible for producing virtually all of the def
What is the potential difference between the starting point and the top point of the trajectory?
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