Question

Why is an echo weaker than the original sound?

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Physics

Related Physics Q&A

Find answers to questions asked by students like you.

Q: Find the speed of an electron having a de Broglie wavelength equal to its Compton wavelength. Hint: ...

A:  

Q: The strong man can withstand the tension force exerted by the two horses pulling in opposite directi...

A: Click to see the answer

Q: The skating pair dancing on a rink – a man and a woman – are moving in perpendicular direction from ...

A: As the skating pair are moving in perpendicular direction from each other. Consider the man moving a...

Q: A flywheel with a radius of 0.210 mm starts from rest and accelerates with a constant angular accele...

A: Given Radius r = 0.210 mm = 0.210 x 10-3 m Angular acceleration α = 0.590 rad/s2 Initial angular vel...

Q: Why will dust be attracted to a DVD wiped with a dry cloth?

A: When a DVD is wiped with dry cloth, electron transfer takes place. It may be from either DVD to dry ...

Q: A 55 g particle is moving to the left at 22 m/s . How much net work must be done on the particle to ...

A: According to the work-energy theorem, the work done will be equal to the change in kinetic energy of...

Q: What is the frequency in hertz , that corresponds to each of the following period (a) 0.10s (b) 5s (...

A: Frequency (f) = 1 / time period Unit of Frequency is Hz   (a) f = 1 / 0.10 s = 10 Hz (b) f = 1 / 5 s...

Q: A block of mass m is placed in a smooth-bored spring gun at the bottom of an inclined plane, such th...

A:    

Q: Four point charges are located at the corners of a rectangle as shown in the figure. Find the net fo...

A: Click to see the answer

Q: In a tug-of-war between Sam and Maddy, each pulls on the rope with a force of 250 N. What is the ten...

A: There will be no movement in the rope when the two athletes pull the rope with same force in opposit...

Q: Distinguish between analog and digital for how the sound signal is captured on phonograph records ve...

A: Analog recording on the phonograph is the recording where there is continuous trace of motion of sou...

Q: Can any other engine achieve efficiency more than the Carnot engine?

A: Click to see the answer

Q: What is the speed of a water wave of frequency 2Hz and wavelength 1.5m?

A: Click to see the answer

Q: A wooden board 2 meters long, 30 centimeters wide and 4 centimeters thick floats in water with 1 cen...

A: Let the mass of board be m and as given length l=2m=200cm, width w=30cm and total thickness t=4cm, w...

Q: Two identically constructed clocks are synchronized. One is put into orbit around Earth, and the oth...

A: According to the theory of general relativity, the clock in orbit undergoing centripetal acceleratio...

Q: A concave lens refracts parallel rays in such a way that they are bent away from the axis of the len...

A: (a) Only diagram A is correct and light rays passing through optical center are not deviated. In dia...

Q: Determine the energy required to accelerate an electron between each of the following speeds. (a) 0....

A: Click to see the answer

Q: Is it true that when you drop from a branch to the ground below, you pull upward on Earth? If so, th...

A: Click to see the answer

Q: 4 m -3 m Prob. 5-70 5-73 journ the E broldes be 5-71. Determine the components of reaction at the ba...

A: Click to see the answer

Q: Photons of wavelength 450 nm are incident on a metal. The most energetic electrons ejected from the ...

A:  

Q: Two converging lenses, each of focal length 15.0 cm, are placed 40.0 cm apart, and an object is plac...

A: Click to see the answer

Q: Two people are at the gym having a debate about how much energy is required to bench press a certain...

A: Answer It doesn't matter how fast you lift.  

Q: Calculte the power of a hair dryer that operates on 120V and draws a current of 10A?

A: Click to see the answer

Q: How does the heat emitted by lamps affect their efficiency?

A: Lamps convert electrical energy into more light energy and lesser heat energy. The heat energy gener...

Q: A toy train moves in a circle of 8 meters radius with a speed of 4 meters per second. What is the ma...

A: Click to see the answer

Q: What are three principal classes of musical instruments?

A:   Three principal classes of musical instruments are:

Q: (a) Calculate the current in the R5 = 8.56ohm resistor. (b) Calculate the current in the R6 = 4.33oh...

A: Click to see the answer

Q: Why does the use of blue light allow more information on a DVD?

A: Click to see the answer

Q: Let's say I do the experiment and have the following output: Displacement = 0.055 m s-2 * Time2 + 0....

A: Given equation for displacement The general expression for displacement

Q: How does wetness affect the resistance of your body?

A: When we are wet, water makes a surface on the skin.

Q: An object is placed 15.0 cm from a first converging lens of focal length 10.0 cm. A second convergin...

A: Click to see the answer

Q: What are three principal characteristics of musical tone?

A: Click to see the answer

Q: How can a charged atom attract a neutral atom?

A:  

Q: What happens to electrons in any charging process?

A: During charging process, electrons get transferred from one material to another. When the object bei...

Q: Will the thicker or thinner of two guitar strings of the same tension and length vibrate at the high...

A: Click to see the answer

Q: A metal radiator is made from 260 kg of iron. The specific heat of iron is 0.449 J/gºC. How much hea...

A: Click to see the answer

Q: Why are thick wires rather than thin wires usually used to carry large currents?

A: Click to see the answer

Q: A real object’s distance from a converging lens is five times the focal length. (a) Determine the lo...

A: a) From lens formula                                       where    v= distance of the image from o...