Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Physics Expert

A boy stands at a point 260 meter in front of the face of a sheer cliff. If the boy shouts, find how much time will elapse before an echo is heard? (Suppose the speed of sound is 344 m/s).

Physics, Academics

  • Category:- Physics
  • Reference No.:- M91222968

Have any Question?


Related Questions in Physics

Question in an old-fashioned amusement park ride passengers

Question: In an old-fashioned amusement park ride, passengers stand inside a3.0-m-tall, 5.0-m-diameter hollow steel cylinder with their backsagainst the wall. The cylinder begins to rotate about a verticalaxis. Then the ...

The ball was thrown from 190 m height building the initial

The ball was thrown from 19.0 m height building. The Initial velocity is 39.2 M/S and it creates 30 degree angel with the horizontal surface.. Find the Max height the ball can reach, range and velocity before it hits the ...

Question a sled of mass m is being pulled horizontally by a

Question: A sled of mass m is being pulled horizontally by a constant upward force of magnitude F that makes an angle theta with the direction of motion. The coefficient of kinetic friction is mu_k. The average velocity ...

Consider the following examples which involve energy being

Consider the following examples, which involve energy being transformed from one kind to another. Identify the initial input & final output forms of the energy in each case. Identifying intermediate energy conversions ma ...

Please help with this problemssuppose you walk 16m

Please help with this problems: Suppose you walk 16m straight west and then 22.5m straight north. How far are you in meters from your starting point (numeric value only, no expression)? What is the compass direction, in ...

An ideal gas of molecules of mass 33 x 10 -27kg is at

An ideal gas of molecules (of mass 3.3 x 10 -27kg) is at temperature 400 K and density 0.1 kg/m3. The gas is confined within a cube of side length 2 m. What is magnitude of the average force experienced by one of the wal ...

Question a slide projector needs to create a 84 cm high

Question: A slide projector needs to create a 84 cm high image of a 2.0 cm tall slide. The screen is 240 cm from the slide. Assume that it is a thin lens. (a) What focal length does the lens need? cm (b) How far should y ...

Question a stationary police car emits a sound of frequency

Question: A stationary police car emits a sound of frequency 1215 Hz that bounces off of a car on the highway and returns with a frequency of 1280Hz . The police car is right next to the highway, so the moving car is tra ...

Question during your summer internship for an aerospace

Question: During your summer internship for an aerospace company, you are asked to design a small research rocket. The rocket is to be launched from rest from the earth's surface and is to reach a maximum height of 940m ...

Swimming at 150 ms relative to still water a swimmer heads

Swimming at 1.50 m/s relative to still water, a swimmer heads directly across a river of width 80 m. He arrives 45.0 m downstream from the point directly across the river from his starting point.  (a) What is the speed o ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As