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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: The National Council for the Social Studies (NCSS) outlines a developmental sequence for social studies-the youngest children learn about their neighborhood
Begin your work by examining each of the following therapeutic approaches and consider the counseling theory that best aligns with each approach:
A counseling center receives a referral for a college student struggling with academic motivation, relationship problems, and anxiety about the future.
Formulate different questions by same topic from the questions below? How might connection to one's culture improve their ability to engage in somatic psycholog
This week, share your thoughts regarding the measurement of behaviors in applied behavior analysis. Identify something in your own life
This week we are examining Counselor Competence and Training. Complete the Self Inventory on page 342. Answer the questions below:
Clinical mental health counseling versus school counseling really brought to light for me how influential professional organizations are on our field.