Start your trial now! First week only $4.99!*arrow_forward*

Question

Explain the term energy density and intensity of wave?

Tagged in

Science

Physics

Find answers to questions asked by students like you.

Q: The diagram shows a rectangular bar of a metal which has a current of 5.0 A through it. The bar is p...

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: Riders in an amusement park ride shaped like a Viking ship hung from a large pivot are rotated back ...

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts fo...

Q: The force, F, required to compress a spring by a distance x meters is given by F = 5x newtons. Find ...

A: Given: F = 5 x

Q: On a steamy mirror, wipe away just enough to see your full face. How tall will the wiped area be com...

A: The light meets the mirror half way up to your eyes when the light from the bottom of your face reac...

Q: An RLC series circuit has a 2.50 Ω resistor, a 100 μH inductor, and an 80.0 μF capacitor. (a) Find t...

A: Dear student, this question contains more than three sub-parts. We will answer first three sub-parts...

Q: A very myopic man has a far point of 20.0 cm. Whatpower contact lens (when on the eye) will correct ...

A: Click to see the answer

Q: (a) The “lead” in pencils is a graphite composition with a Young’s modulus of about 1×109 N/m2 . Cal...

A: Given: Young's modulus,Y = 1 x 109 N/m2 Force, F = 4 N diameter,d = 0.5 mm length,L= 60 mm

Q: Q1-Complete the blanks? 1- At very high altitudes, normally reactive species such as atomic oxygen, ...

A: Since there are multiple questions posted, we will answer the first question for you. If you want an...

Q: Fire hoses used in major structure fires have inside diameters of 6.40 cm. Suppose such a hose carri...

A: Click to see the answer

Q: A car travelling over the hump on the railroad tracks on Main Street will leave the road if travelli...

A: Given that, the radius of hump is 55m.

Q: A coin slides over a frictionless plane and across an xy coordinate system from the origin to a poin...

A: Click to see the answer

Q: Based upon the reradiating properties of absorptivity, reflectivity and transmissivity, how would yo...

A: Click to see the answer

Q: Find the current in a long straight wire that would produce a magnetic field twice the strength of t...

A: Given: distance, r = 5 cm Earth magnetic field, B = 0.25 x 10-4 T

Q: In 1987, as a Halloween stunt, two sky divers passed a pumpkin back and forth between them while the...

A: Click to see the answer

Q: A 0.0200-Ω ammeter is placed in series with a 10.00-Ω resistor in a circuit. (a) Draw a circuit diag...

A: NOTE: According to guidelines, I can send solution for first 3 parts. If you need help with other pa...

Q: The Electromagnetic Pump. Magnetic forces acting on conducting fluids provide a convenient means of ...

A: Click to see the answer

Q: Consider two closely spaced and oppositely charged parallel metal plates. The plates are square with...

A: The expression for the electric field is,

Q: A body is thrown vertically upwards. Its velocity keeps on decreasing. What happens to its kinetic e...

A: The velocity of the body keeps on decreasing when a body is thrown vertically upward.

Q: A certain force gives an object of mass m1 an acceleration of 12.0 m/s2 and an object of mass m2 an ...

A: Using Newton’s Second Law, the force

Q: Need help with Exploration 2.2 thanks!

A: Click to see the answer

Q: Two projectiles are thrown with the same initial speed, one at an angle u with respect to the level ...

A:

Q: When is heat transfer through a fluid conduction and when is it convection? For what case is the rat...

A: Click to see the answer

Q: Using Kirchoff rules and calculate currents

A: Click to see the answer

Q: Is rotational kinetic energy completely analogous to translational kinetic energy?What, if any, are ...

A: Yes, the rotational and translational kinetic energy are exactly analogous.

Q: Use Faraday’s law, Lenz’s law, and RHR-1 to show that the magnetic force on the current in the movin...

A: The expression for the magnetic flux,

Q: 5. For the plane section shown in figure, determine the moment of inertia about the YY axis. Page 1 ...

A: The formula for the moment of inertial of a rectangle about the closer perpendicular side to YY axis...

Q: Electric charge is distributed throughout 3-space with density inversely proportional to the distanc...

A: Given,

Q: Urgent please.the question was solved here.thank you so much in advance

A: Click to see the answer

Q: Would Schrödinger’s equation be valid if applied to the solar system? Would it be useful?

A: Click to see the answer

Q: Freight trains can produce only relatively smallaccelerations and decelerations. (a) What is the fin...

A: Click to see the answer

Q: A coordinate system (in meters) is constructed on the surface of a pool table, and three objects are...

A: Click to see the answer

Q: A person spear fishing from a boat sees a stationary fish a few meters away in a direction about 30°...

A: The refractive index of water with respect to the vacuum is greater than the refractive index of air...

Q: Based on Bernoulli’s equation, what are three forms of energy in a fluid? (Note that these forms are...

A: Given: Bernoulli's equation

Q: Why is a golfer with a metal club over her shoulder vulnerable to lightning in an open fairway? Woul...

A: In the process of lighting, the electric charges discharge between cloud to cloud, or cloud to groun...

Q: By taking the slope of the curve verify thatthe acceleration is 3.2 m/s2at t = 10 s .

A: The slope of the graph can be given as

Q: Determine the electric potential energy (in mJ) for the system of three charges in the figure.

A: The hypotenuse of the triangle gives the distance between +8.00μC and +20.0μC. The value of hypotenu...

Q: Q1/ Due to a jaw injury, a patient must wear a strap as in the figure below that produces a net upwa...

A: Click to see the answer

Q: Using Kirchoff rules and calculate currents

A: Click to see the answer

Q: Green light is emitted when electrons in a substance make a particular energy-level transition. If b...

A: The frequency of blue light is higher than the frequency of green light.

Q: Need help with the last question, thanks!

A: 3.3 Consider the FBD below.

Q: Suppose you have a wind speed gauge like (A nozzle with a radius of 0.250 cm is attached to a garden...

A: For the fluids moving through the nozzle, the hight of the fluid in the manometer is related to the ...