Miles Tugo is camping in Glacier Canyon and he makes a loud holler. The sound bounces off the nearest canyon wall (which is located 170 meters away from Miles) and returns to Miles.
Determine the time elapsed between when Miles makes the holler and the echo is heard.

Answers

Answer 1

Answer:

It would take 1 s to hear the echo.

Explanation:

Here, the sound covered a total of 340 meters, since it bounces off the canyon wall and travels back to Miles in the form of echo.

The time elapsed can be determined by,

v = [tex]\frac{2D}{t}[/tex]

⇒ t = [tex]\frac{2D}{v}[/tex]

where: v is the speed of sound in air (343 m/s), D is the distance of the nearest canyon (170 m).

So that,

2D = 2 x 170 = 340 m

Thus,

t = [tex]\frac{340}{343}[/tex]

 = 0.9913 s

t = 1 s

It takes 1s for Miles to hear his echo.


Related Questions

An egg sinks in fresh water but floats on concentrated salt solution​

Answers

the salt solution exerts a greater up thrust on the egg which balances the weight of the egg, so the egg floats in a strong salt solution but sinks in fresh water

Two dogs are pulling on a chew toy. One dog pulls the chew toy with 64 N [E] and
the other pulls the chew toy with 31 N [W]. Determine the ACCELERATION of the 3
kg chew toy.

Answers

Answer:

Eastward, at 11 m/s^2

Explanation:

64N-31N=unbalanced force of 33N

F=ma

33N=(3kg)a

a=11m/s^2 to the East

When a hot object makes a cold object warmer what is it called

Answers

Its called heat transfers

What is the kinetic energy of a 25 kg object moving at a velocity of 4 m/s?

Answers

the answer is 27, i’m a chemistry teacher

Thus Kinetic energy of the object is 200J when mass is 25 kg and velocity is 4 m/s.

If C is the vector sum of A and B, C = A + B, What must be true if C = A + B?. What must be true if C = 0?.

Answers

A and B are equal vectors

1. Which of the following decreases with an increase in altitude?
a. air pressure
b. visibility
c. water vapor
d. none of the above

Answers

Answer: air pressure

Explanation:

When the C4 key on a piano keyboard is pressed, a string inside the piano is struck by a hammer and begins vibrating back and forth at approximately 260 cycles per second.
a. What is the frequency in Hertz of the sound wave?
b. What is the wavelength of the wave?

Answers

Answer:

Frequency = 260 Hz and wavelength = 1.31 m

Explanation:

Given that,

A hammer begins vibrating back and forth at approximately 260 cycles per second.

(a) The frequency of an object is the number of vibrations per unit time. The frequency of the sound wave is 260 Hz.

(b) The speed of sound in air is 343 m/s. So,

[tex]v=f\lambda\\\\\lambda=\dfrac{v}{f}\\\\\lambda=\dfrac{343}{260}\\\\\lambda=1.31\ m[/tex]

Hence, this is the required solution.

Question 2
What measurements are needed to calculate your BMI?

A. Weight and shoe size
B. Height and weight
C. heart and breathing rate per minute
D. core temperature and height


Answers

Answer:

B

Explanation:

What is released when rocks shift or move along a tectonic plate boundary?
(It is a science question)

Answers

Answer:

juuhu

Explanation:

jjj

Which would increase the speed of a sound wave?

Answers

Answer:

I would say temperature

When you blow across the top of
a soda bottle, it acts like a closed
pipe. If it creates a fundamental
frequency of 680 Hz, how deep
is the bottle?
(Speed of sound = 343 m/s)
(Unit = m)
Please need help!!!!

Answers

Answer:

the new foundation would be

Explanation:

ok

What are the mechanical advantage and mechanical efficiency of a lever that requires an input force of 40 N and lifts and lifts a boulder that weighs 80 N?

Answers

Answer:

2 , 200%

Explanation:

Mechanical advantage of a machine is defined as how much the machine multiplies the applied force.

It is given that :

Input force of the lever = 40 N

The weight of the boulder or the output force = 80 N

Therefore, the mechanical advantage = output force / input force

                                                               [tex]$=\frac{80}{40}$[/tex]

                                                               = 2

Mechanical efficiency is obtained by the dividing the output by the input and multiplying it with 100.

i.e. Efficiency = output / input x 100

                      [tex]$=\frac{80}{40}\times 100$[/tex]

                     = 200 %

A force of 100N stretches an elastic string to a total length of 20cm. if an additional force of 100N stretches the spring 5 cm further, find the natural length of the spring if the elastic limit is not exceeded. Pls help ASAP​

Answers

Answer:

8cm

Explanation:

The general formula to find this is F/X where in this case the f is the total of the two forces (100+100) and x is the sum of the length ( 20+5) which together comes 200&25respectively then divide 200 with 25 which comes 8cm.

You flip a coin straight up if the coin reaches a high point of 0.25 m above where you released it what was the initial speed?

Answers

Answer: 2.21 m/s

Explanation:

Given

Coin reaches a height of  0.25 m above the launch point

Suppose u is the initial speed of the coin

Using the equation of motion

[tex]\Rightarrow v^2-u^2=2as\\[/tex]

Putting values

[tex]\Rightarrow 0^2-u^2=2\times g\times s=2\times (-9.8)\times 0.25\\\Rightarrow u^2=4.9\\\Rightarrow u=2.21\ m/s[/tex]

Thus, the initial velocity is 2.21 m/s

two children of masses m1 = m2 = 20 kg , ride on the perimeter of a small merry-go- round . the merry -go-round us a disk of mass M = 30 kg answer

Answers

Answer:

c

Explanation:

Which statements describe how heat flows in foil? Check all that apply.

Answers

Answer:

Heat flows from a warmer object to a cooler object.

A potato is which part of the plant?
root
stem
leaf
flower

Answers

I’m pretty sure it’s the root

objects through which light can pass are referred to as dash objects​

Answers

Answer:

Those objects are called transparent objects...

Explanation:

If only some light can pass through them ,it is called translucent....

If no light can pass through them ,it is called opaque.

Answer:

hii good morning

hey i am not good player but i wanted to give a triel to play duo in ff

One of the solid reactants was treated in a coffee grinder before adding to

the reaction container. *

O

A. Concentration

B. Temperature

C. Surface Area

D. Catalyst

E. Agitation

Answers

Answer:

C. Surface area

Explanation:

The rate of  chemical reaction depends on various factors such as:

concentration and pressurenature of reactantstemperaturesurface areapresence of catalyst, etc.

Effect of surface area of reactants: the rate of a chemical reaction can be increased by increasing the the area of contact of the reacting substances. This is especially important when one or more of the reactants are solids., because only the particles of the solid that are exposed are able to take part in the reaction at each instant of time. Therefore, the greater the surface area of the solid reactant particles the faster the reaction.

The surface area of solid reactants can be increased by grinding or pelletizing, thus allowing for a greater contact between the reacting particles,

The instance in which one of the solid reactants was treated in a coffee grinder before adding to the reaction container is one way of increasing the surface area of a reactant.

A force of 1000 N is exerted on a golf ball for 0.005 s. The change in momentum of the golf ball is - a 200,000 kg m//s b 50 kg m//s c 5,000 kg m//s d 5 kg m//s

Answers

Answer:

d) 5 Ns

Explanation:

Impulse = Ft = 1,000(0.005) = 5

i really really need help with this so please help me for a better grade asap

Answers

Answer :

Imma just put it in the explanation

Explanation:

Electric to sound : Radio

Chemical to thermal+radiant+sound+kinetic : Fireworks

Gravitational to kinetic+sound : Waterfall

Chemical to thermal+kinetic : Drinking water (not sure what last answer is called but its supposed to match the girl drinking water lol)

hope this helps

If the pelican was traveling 8.79 m/s but was only 2.7 m above the water, how far would the fish travel horizontally before hitting the water below?

Answers

Answer:

6.52m

Explanation:

The horizontal distance travelled is known as its range. This is expressed as;

Range = u* √2H/g

u is the speed of the pelican

H is the maximum height

g is the acceleration due to gravity

Range = 8.79*√2(2.7)/9.8

Range = 8.79 * √5.4/9.8

range = 8.79*√0.5510

Range = 8.79*0.7423

Range = 6.52

Hence the fish will travel 6.52m before hitting the water below

2. How does laser light differ from
normal light?​

Answers

Answer:

Laser light differs from normal light because laser lights are monochromatic which means it only shines one color and only that color :3

Explanation:

:3

The major difference between laser light and light generated by white light sources (such as a light bulb) is that laser light is monochromatic, directional and coherent. ... Coherent means that the waves of light are in phase with each other. A light bulb produces many wavelengths, making it incoherent.

3. Determine the units of the quantity described by the following com-
binations of units:
a. kg (m/s) (1/s)
b. (kg/s) (m/s2)
c. (kg/s) (m/s)
d. (kg/s) (m/s)

Answers

B is the answer!! Hope this helps

What is the acceleration of a 24 kg mass pushed by an 8 N force?

Answers

Answer:

0.25 m/s squared

Explanation:

Mass of the body (m)= 24kg

Applied force on the body(F)= 6N

Acceleration of the body (a)= ?

Solution

F = ma

a = F/m

a = 6N/24kg

a = 0.25m/s^2

Answer: The acceleration of the body is 0.25m/s^2

I hope this helps

Answer:

[tex]\boxed {\boxed {\sf a=\frac {1}{3} \ m/s^2}}[/tex]

Explanation:

Force is the product of mass and acceleration.

[tex]F=ma[/tex]

The mass is 24 kilograms and the force is 8 Newtons. Let's convert the Newtons to make the problem easier.

1 Newton is equal to 1 kilogram meter per square second. The force of 8 N equals 8 kg*m/s²

Substitute the known values into the formula.

[tex]8 \ kg*m/s^2= (24 \ kg )*a[/tex]

Since we are solving for a, we must isolate the variable. It is being multiplied and the inverse of multiplication is division. Divide both sides by 24 kilograms.

[tex]\frac {8 \ kg*m/s^2}{24 \ kg}= \frac{(24 \ kg )*a}{24 \ kg}[/tex]

The kilograms will cancel, hence our earlier unit conversion.

[tex]\frac {8 \ m/s^2}{24 }= a[/tex]

[tex]\frac {1}{3} \ m/s^2=a[/tex]

The acceleration is 1/3 meter per square second.

3. How does the wavelength of green different from violet-indigo?​

Answers

Answer:

As the full spectrum of visible light travels through a prism, the wavelengths separate into the colors of the rainbow because each color is a different wavelength. Violet has the shortest wavelength, at around 380 nanometers, and red has the longest wavelength, at around 700 nanometers.

Explanation:

Regina is making observations of waves from different sources. She wants to classify the waves as either mechanical or electromagnetic. Which question will BEST help Regina to classify the waves?
A.
Can the wave transfer matter?


B.
Can the wave transfer energy?


C.
Can the wave travel through a vacuum?


D.
Can the wave travel through a liquid?

Answers

Answer:

A.  Can the wave transfer matter?

Explanation:

EMW is made by vibrations of the charged particles and they work on a mechanical waveform. The energy is transferred through a vacuum and thus they need a medium to pass the energy.  Thus in order to transport the energy from one place to another, such as a sound wave. Hence first she should have knowledge about the chemical and physical properties of the waves such as can they transfer matter.

A centrifuge used in DNA extraction spins at a maximum rate of 7000rpm producing a "g-force" on the sample that is 6000 times the force of gravity. If the centrifuge takes 10 seconds to come to rest from the maximum spin rate: a) What is the angular acceleration of the centrifuge? b)what is the angular displacement of the centrifuge during this time

Answers

Answer:

A) a = 73.304 rad/s²

B) Δθ = 3665.2 rad

Explanation:

A) From Newton's first equation of motion, we can say that;

a = (ω - ω_o)/t. We are given that the centrifuge spins at a maximum rate of 7000rpm.

Let's convert to rad/s = 7000 × 2π/60 = 733.04 rad/s

Thus change in angular velocity = (ω - ω_o) = 733.04 - 0 = 733.04 rad/s

We are given; t = 10 s

Thus;

a = 733.04/10

a = 73.304 rad/s²

B) From Newton's third equation of motion, we can say that;

ω² = ω_o² + 2aΔθ

Where Δθ is angular displacement

Making Δθ the subject;

Δθ = (ω² - ω_o²)/2a

At this point, ω = 0 rad/s while ω_o = 733.04 rad/s

Thus;

Δθ = (0² - 733.04²)/(2 × 73.304)

Δθ = -537347.6416/146.608

Δθ = - 3665.2 rad

We will take the absolute value.

Thus, Δθ = 3665.2 rad

A car traveled a distance of 30 km in 20 minutes (1/3 hours). What was the
speed of the car?
O A. 90 km/hr
O B. 60 km/hr
O c. 30 km/hr
O D. 10 km/hr

Answers

A is the answer to your question







20 minuets is 1/3 of an hour so you multiply 30 km by 3 and get 90 km/hr
90 or a, becauE 30x20 is how i solved

Pls helppp. Is this right?

Answers

Answer:

yes you are totally right

Those are all correct great job!
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