building mathematical models

Tony wants to build a model of a dinosaur for his science project. The actual length of the dinosaur from head to tail is 42 feet. The length of the model dinosaur he wants to build is 7 feet. Find the actual length of the tail of the dinosaur, if the length ..

Acoustics of Buildings - An auditorium is a part of a building in which large number of people may be seated to listen to a speech or music. It is not uncommon to find an auditorium, which may be an architectural masterpiece but falls below standards on acoustic considerations. ..

With the dams the speed and amount of water flowing can be controlled. This will control the soil erosion of the river bank..

Our body needs to grow. Due to constant wear and tear in the body, new cells have to be built to repair the damaged parts. Proteins like milk, eggs, meat, cheese and dal help in body building..

Waves..

A rope is tied between two buildings and is 40 feet above the ground. Gary tries to throw a stone over the rope. The distance of the stone from the ground is modeled by the equation h = -16 t 2 + 15 t + 6. Will Gary be able to throw the stone over the rope? => Yes or No..

Sunny throws a pencil from a building with an initial downward velocity of - 8 feet per second. How long will the pencil take to reach the ground, if the height of the pencil from the ground is modeled by the equation h = - 16 t 2 - 8 t + 48, where t is the time in seconds? => 2..

Andy throws a pencil from a building with an initial downward velocity of - 8 feet per second. How long will the pencil take to reach the ground, if the height of the pencil from the ground is modeled by the equation h = - 16 t 2 - 8 t + 48, where t is the time in seconds? => 1...

Jake throws a pen from the top of a building with an initial downward velocity of -30 feet per second. How long will the pen take to reach the ground, if the height of the pen from the ground is modeled by the equation h = -16 t 2 - 30 t + 124, where h is the height of the pen a..

Frank used 5 squares to make each building. How many buildings did he make with 57 squares? How many squares were not used in the building? => 12 buildings; 2 squares not used or 10 buildings; 7 squares not used or 11 buildings; 2 squares ..