(Answered) A mother hears a child scream from across the room 23 feet

Academics

A mother hears a child scream from across the room, 23 feet away. The sound pressure level is 72dB. When she holds the child on her shoulder, her ear is 3 inches from the screams. Using the decibel chart, about how long until damage to her hearing occurs if the child continues screaming?

http://www.gcaudio.com/resources/howtos/loudness.html

View complete question

Physics, Academics

Category:- Physics
Reference No.:- M91639698
Price:- $50

Verified Expert

Priced at $100 Now at $50, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Physics

Question an object of mass m is dropped from height h above

Question: An object of mass m is dropped from height h above a planet of mass M and radius R. Find an expression for the object's speed as it hits the ground. Express your answer in terms of the variables m,M,h,R and app ...

Question if a proton moved from a location with a 50v

Question: If a proton moved from a location with a 5.0V potential to a location with 7.5V potentia, would its potential energy increase or decrease? If an electron moved from a location with 7.5V potential to a location ...

Question suppose you have a block resting on a horizontal

Question: Suppose you have a block resting on a horizontal smooth surface. the block (mass m) is attached to a horizontak spring (spring constant k) which is fixed at one end. the mass is pulled to one side and released. ...

As part of a fiendish plan the physics student society

As part of a fiendish plan, the physics student society decided to use a catapult to launch a water balloon toward the engineering quad. The catapult launches the balloon ( m =4.24 kg) with an initial speed of v 0=18.2 ...

Quesiton a skydiver of mass m jumps from a hot air balloon

Quesiton: A skydiver of mass m jumps from a hot air balloon and falls a distance d before reaching a terminal velocity of magnitude v . Assume that the magnitude of the acceleration due to gravity is g . - What is the wo ...

Question a projectile is fired from a gun near the surface

Question: A projectile is fired from a gun near the surface of Earth. The initial velocity of the projectile has a vertical component of 98 meters per second and a horizontal component of 49 meters per second. How long w ...

A projectile is launched at an angle of 120deg above the

A projectile is launched at an angle of 12.0° above the horizontal. What is its initial speed if it hits a target that is located a horizontal distance of 175 m from the launch point and 11.0 m above the launch level?

Near the earths surface a compact car of total mass m is

Near the Earth's surface, a compact car of total mass M is driven on a large, revolving, horizontal, disk-shaped platform which itself rotates about its center at a fixed angular frequency ω. At t = 0, the driver leaves ...

Quesion when a nucleus of 235u undergoes fission it breaks

Quesion: When a nucleus of 235U undergoes fission, it breaks into two smaller, more tightly bound fragments. Part A: Calculate the binding energy per nucleon for 235U. Express your answer with the appropriate units. E=__ ...

Question youre driving down the highway late one night at

Question: You're driving down the highway late one night at 20m/s when a deer steps onto the road 35m in front of you. Your reaction time before stepping on the brakes is 0.50s, and the maximum deceleration of your car i ...

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

Recent Questions

Ask Physics Expert