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streamlined
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Do sound waves move faster through cold or warm air?
warm air
What shape would an object be in order to travel faster through the air?
Cylindrical
What is the definition for terminal velocity?
As an object falls faster and faster it is slowed by friction with the air as it tries to push through. When this wind from falling is so strong that it balances gravity, so the object does not fall any faster, that it is the terminal velocity for that object.
What happens to the particles in object when they vibrate?
They cause the particles around them to be pushed together and then spread apart.
Why would a streamlined object be able to move faster than an object that wasn't?
Because when an object is streamlined it becomes smoother so the air becomes weaker and the object becomes stronger to move, but if the object is not streamlined it becomes slower because the air resistance is holding it back so its harder to move with a certain speed. +++ Not quite. The air does not become "weaker", nor does the object become "stronger" to move. The second part is right, and can also be stated as streamlining reduces the air resistance acting on it so reducing the force needed to move it at any given speed.
Do sound waves move faster through cold or warm air?
warm air
Does sound travel faster through a tree or air?
Air sound travels slower when going through a solid object
What shape would an object be in order to travel faster through the air?
Cylindrical
Why does an object go faster or slower because of its shape?
This refers to aerodynamics? If so, it does faster when the object has less friction with the air, wind resistance is a major factor when it comes to getting an object to a certain speed. The more streamline an object the quicker it can move throught the air
What is aerodynamic law?
is the study of the way in object move through the air
Why does the shape of an object falling affects the time that it takes to hit the ground?
It's all about the air resistance that the object receives as it falls in an atmosphere. The air has to move around the object as it falls, if it's allowed to move smoothly aroundyam object by the objects shape then the force of the air resistance is lower. This allows the object to fall faster.
Why does sound travel faster through materials such as water and metal than it does through air?
They are denser. Molecules are closer together. Vibrations move faster.
What is the definition for terminal velocity?
As an object falls faster and faster it is slowed by friction with the air as it tries to push through. When this wind from falling is so strong that it balances gravity, so the object does not fall any faster, that it is the terminal velocity for that object.
What happens to the particles in object when they vibrate?
They cause the particles around them to be pushed together and then spread apart.
Why would a streamlined object be able to move faster than an object that wasn't?
Because when an object is streamlined it becomes smoother so the air becomes weaker and the object becomes stronger to move, but if the object is not streamlined it becomes slower because the air resistance is holding it back so its harder to move with a certain speed. +++ Not quite. The air does not become "weaker", nor does the object become "stronger" to move. The second part is right, and can also be stated as streamlining reduces the air resistance acting on it so reducing the force needed to move it at any given speed.
Why do sound waves move faster through the ground than through the air?
particles of matter are packed more loosely in the ground than in the air.
Which occurs when air is compressed A. Air Temp rises and air molecules move faster B. Air temp decreases C. Air temp decreases and air molecules move faster D. Air molecules move slower?
A. air temperature rises and air molecules move faster
