Question

In: Physics

When you drop a rock into a well, you hear the splash 1.9 s s later....

When you drop a rock into a well, you hear the splash 1.9 s

s

later.

Part A Part complete

If the distance to the water in the well were doubled, would the time required to hear the splash be greater than, less than, or equal to 3.8 s

s

?

equal to 3.8 s

s

greater than 3.8 s

s

less than 3.8 s

s

Part B

How far down was the water originally?

Expert Solution

Here we have know that time taken to hear the splash is the sum of time taken to reach rock at the surface of water in well and the time taken by sound to reach back to the man.From the given time we have find hieght of well.Also find the time if the hieght of well is doubled which is found to be less than 3.8s.

genius_generous answered 1 week ago

1) You drop a pebble into a well. 10 seconds later, you hear the sound of...

1) You drop a pebble into a well. 10 seconds later, you hear the sound of the pebble hitting the water. How deep is the well? For what part of the 10 seconds was the pebble falling? How long did it take the sound to travel back up the well? What assumptions did you make in solving the problem? 2) Suppose another well is just the depth at which the time it takes your pebble to hit the water is...

A stone is dropped into a well. The splash is heard 2.2 seconds later. What is...

A stone is dropped into a well. The splash is heard 2.2 seconds later. What is the depth of the well to the nearest tenth of a meter?

A stone is dropped into a well. The sound of the splash is heard 2.92 s...

A stone is dropped into a well. The sound of the splash is heard 2.92 s later. What is the depth of the well? (Take the speed of sound to be 343 m/s.)

First you see the lightning, which stops, and a few seconds later you hear the sound...

First you see the lightning, which stops, and a few seconds later you hear the sound of thunder. This illustrates A. Overshadowing B. Trace conditioning C. Delayed conditioning D. Blocking

You drop a 2 kg rock from the edge of a cliff. How much kinetic energy...

You drop a 2 kg rock from the edge of a cliff. How much kinetic energy does the rock have when it has dropped 5 meters down? What speed does it have? [Enter your result for KE in the first answer box and your result for the speed in the second one.]

You have a $6,000,000 portfolio that has a beta of 1.9 to the S&P 500. You...

You have a $6,000,000 portfolio that has a beta of 1.9 to the S&P 500. You have decided you want to hedge this portfolio over the next 12 months. The 13-month S&P 500 futures price is $2300, and the current S&P 500 index value is $2250. The 12-month continuously compounded risk-free rate is 1% and the annual dividend yield on the S&P 500 is 2%. As a reminder, futures contracts are based on $250 multiplied by the index value. a)...

suppose you drop a ball from a certainheightand find itsfinal speedis 20 m/s when it hits...

suppose you drop a ball from a certainheightand find itsfinal speedis 20 m/s when it hits the ground.if you throw the objectvertically downwards from the sameheight with an initial speed of 20 m/s, will its finalspeed be 40m/s? carefully explain why or why not (ignore friction)

What does it mean if a company WACC doesn't drop much when you drop the risk...

What does it mean if a company WACC doesn't drop much when you drop the risk free rate by 5%? Initial WACC was - 4.85% then dropped the risk free rate from 0.12% to 0.07% meaning I also dropped the cost of debt from 0.12% to 0.07% (is this correct)? Which gave me a new WACC of 4.77% which doesn't seem like a big change to me?

You know that there is a problem in your car due to sounds you hear when...

You know that there is a problem in your car due to sounds you hear when driving. There can be only two sources for the problem 1) Brakes 2) Engine. You are estimating that the problem is due to brakes with probability 0.6, and it is due to engine with probability 0.4. Furthermore, if the problem is due to brakes or engine, the number of miles you can drive without any repair is exponentially distributed with mean 500 and 100...

You know that there is a problem in your car due to sounds you hear when...

You know that there is a problem in your car due to sounds you hear when driving. There can be only two sources for the problem 1) Brakes 2) Engine. You are estimating that the problem is due to brakes with probability 0.6, and it is due to engine with probability 0.4. Furthermore, if the problem is due to brakes or engine, the number of miles you can drive without any repair is exponentially distributed with mean 500 and 100...

Question

When you drop a rock into a well, you hear the splash 1.9 s s later....

Solutions

Expert Solution

Related Solutions

1) You drop a pebble into a well. 10 seconds later, you hear the sound of...

A stone is dropped into a well. The splash is heard 2.2 seconds later. What is...

A stone is dropped into a well. The sound of the splash is heard 2.92 s...

First you see the lightning, which stops, and a few seconds later you hear the sound...

You drop a 2 kg rock from the edge of a cliff. How much kinetic energy...

You have a $6,000,000 portfolio that has a beta of 1.9 to the S&P 500. You...

suppose you drop a ball from a certainheightand find itsfinal speedis 20 m/s when it hits...

What does it mean if a company WACC doesn't drop much when you drop the risk...

You know that there is a problem in your car due to sounds you hear when...

You know that there is a problem in your car due to sounds you hear when...