Cost of using electrical energy to heat
If the price of electrical energy is 0.0673 dollars per kilowatt-hour, what is the cost of using electrical energy to heat the water in a swimming pool (14.7 m x 11.7 m x 1.54 m) from 12.3 to 25.3 °C?
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At what position (from the less massive object) can the 270-kg object be placed so as to experience a net force of 10 N towards the less massive object?
Near Earth, the density of protons in the solar wind (a stream of particles from the Sun) is 12.0 cm-3, and their speed is 702 km/s. (a) Find the current density of these protons. (b) If Earth's magnetic field did not deflect the protons, what tot
A large fake cookie sliding on a horizontal surface is attached to one end of a horizontal spring with spring constant k = 390 N/m; the other end of the spring is fixed in place. The cookie has a kinetic energy of 20.5 J as it passes through the
Describe the five kinds of secondary positive reinforcers and think of an example of how you believe they can be used in classrooms.
When should you use the agile method, and when should you use and engineering based method for developing a system? Support your answer. Make answer as brief as possible
In a dental X-ray machine a bean of electrons is accelerated by a potential difference of 10 kV. At the end of the acceleration, how much kinetic energy does each electron have if they start from rest?
Determine (a) the average speed between t = 2.00 s and t = 3.00 s, (b) the instantaneous speed at t = 2.00 s and at t = 3.00 s, (c) the average acceleration between t = 2.00 s and t = 3.00 s.
A 5.0 × 103 kg car accelerates from rest at the top of a driveway that is sloped at an angle of 16.0? with the horizontal. An average frictional force of 4.2×103 N impedes the car's motion so that the car's speed at the bottom of the d
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Disease at the cellular level is complex and involves a cascade of molecular changes (i.e., chemical pathways), these imbalances can cause serious consequences
Question: What is true about large molecules as Therapeutic choices (Choose all that apply):
Please provide a three-thousand-word paper about the primate Aye-Aye. Please do intensive research on them and state their characteristics
Describe the main stages in the formation of a blood clot and evaluate the importance of specific factors example platelets, vitamin K
Question: Which of the following best describes Mycoplasma? A. An example of Gram Positive Bacteria B. Staphylococcus aureus is an example
Is passive surrender to your murderer another type of killing? Killing yourself? Ending your life or the lives of others whom you were supposed to protect?
How did the Revolutionary War provide both new opportunities and new challenges for slaves and free blacks in America?