What is the cost per kwh to operate the radio

Assignment Help Physics
Reference no: EM13285842

A transistor radio operates by means of a 12 V battery that supplies it with 56 mA current. If the cost of the battery is $3.71 and it lasts for 282 h, what is the cost per kWh to operate the radio in this manner?

Reference no: EM13285842

Questions Cloud

Saharan slave trade differ from the atlantic slave trade : How did the Atlantic system affect Europe, Africa, and the Americas? Who were Indentured Servants and how were they different from African slaves? How and why did the West Indies and other places in the Americas become centers of African population a..
Compute the beat frequency : Two pure tones are sounded together. The periods of their pressure variations are 0.0151 s and 0.0159 s, What is the beat frequency
Design a device which will input two 4-bit unsigned numbers : Design a device which will input two 4-bit unsigned numbers and subtract twice the smaller of the two numbers from the larger of the two numbers (That is, input x and y and output x - 2y if x > y and output y - 2x otherwise.)
Explain relation in the atomic numbers and the ionic radius : What is the relationship between the atomic numbers and the ionic radius of the elements in a group.
What is the cost per kwh to operate the radio : A transistor radio operates by means of a 12 V battery that supplies it with 56 mA current. what is the cost per kWh to operate the radio in this manner
Give the range of memory addresses with the memory chip : Suppose a 3:8 decoder is attached to an array of 8Kx8 memory chips, the low 13 bits of the address access the locations within each memory chip, and the most significant 3 bits of the address are tied to the select inputs of the decoder (A15 is MS..
What is the present value of a five-year lease arrangement : What is the present value of a five-year lease arrangement with an interest rate of 9% that requires annual payments of $10,000 per year with the first payment being due now?
Explain the differences showing appropriate calculations : There is also the option of taking an annuity, which would be one equal payment each year for 30 years. Explain the differences showing appropriate calculations. Do not consider taxes at this time. Include your opinions.
Find the coefficient of friction between book and floor : You give a 2.35 kg book an initial shove at 2.50 m/s, Find the coefficient of friction between book and floor

Reviews

Write a Review

Physics Questions & Answers

  What are the new frequencies of these three modes

If the string is 9.5 m long, has a mass of 45 g and is pulled taut with the tension of 8.0 N, how much time does it take for a wave to travel from one end of the string to the other.

  How do the forces acting between the truck and car

A large truck collides head-on with a small car. The car is severely damaged as a result of the collision. According to Newton's third law, how do the forces acting between the truck and car compare during the collision?

  Calculate the number of coulombs of positive charge

Calculate the number of coulombs of positive charge in 270 cm3 of (neutral) water. (Hint: A hydrogen atom contains one proton and an oxygen atom contains eight protons.) I keep getting 1.4E7 and its showing up wrong.

  What is the electric field near the surface of the sphere

Two charged spherical conductors are connected by a long conducting wire, and a charge of 15 μC is placed on the combina- tion. One sphere has a radius of 4.05cm and the other a radius of 6.05cm.

  What is the impulse delivered to the ball by the floor

250 kg ball is dropped to the floor from a height of 1.0 m and upon  rebounding, reaches a height of .60 m.  What is the impulse delivered to the ball by the floor?

  How many centimeters of remaining ice would extend

Two objects attract each other gravitationally with a force of 3.0×10-10 N when they are 0.60 m apart. Their total mass is 4.0 kg. Determine their individual masses.

  Compute the period of the spacecrafts orbit

A spacecraft is in orbit around a planet. The radius of the orbit is 2.9 times the radius of the planet (which is R = 71451 km), What is the period of the spacecraft's orbit

  What is the coefficient of areal expasion for this solid

A non-isotropic two-dimensional solid has a coefficient of linear expansion alone one axis equation to A and along a perpendicular axis equation to B

  Find the elongation of the cable

A high-speed lifting mechanism supports a 875-kg object with a steel cable that is 33.0 m long and 4.00 cm2 in cross-sectional area. Determine the elongation of the cable

  Compute the electrical attraction that a proton

Gold, which has a density of 19.3 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber.

  How long a time was required for him to cover

A mouse is running away from a cat at 0.75 m/s and, at 1.25 m from his mouse hole, he accelerates at a constant rate of 0.25 m/s2 until he reaches his hole safely. How long a time was required for him to cover the last 1.25 m?

  What is torque exerted about the center of the disk

A disk of radius R = 9 cm is pulled along a friction less surface with a force of F = 15 N by a string wrapped around the edge. At the instant when d = 28 cm of string has unwound off the disk, what is torque exerted about the center of the disk.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd