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What is the formula for acceleration?
a=dv/dt. By definition, acceleration is the rate of change of velocity. In mathematical notation, it is given as the formula stated above. Two special cases: 1. When acceleration is constant: The rate of change is a constant. Therefore, it can be calculated by: a=(vf - vi) / t where a is acceleration vf is final velocity vi is initial velocity and t is time taken 2. When velocity is constant: Velocity is not changing. The rate of change of velocity is zero. Acceleration has to be zero. * * * * * Note that velocity and acceleration are both VECTORS. Therefore, an object going round in a circle, at CONSTANT speed, has velocity and acceleration that are changing all the time - because the direction of motion is changing.
What does vectors an in science?
In science, vectors are quantities that have both magnitude and direction. They are used to represent various physical phenomena, such as force, velocity, and acceleration. For example, a vector can indicate not only how fast an object is moving (magnitude) but also the direction in which it is moving. This makes vectors essential for understanding and analyzing motion and interactions in physics and engineering.
What is the resultant acceleration?
Acceleration is a vector, meaning each acceleration has both magnitude and direction. The resultant of vectors is basically the net acceleration on the object expressed as a single vector. For example, if there are two vectors each with a magnitude of 2 meters/(seconds squared) acting on an object and these vectors were placed on the x and y axes then you could represent this system of 2 vectors 90 degrees apart each with a magnitude of two meters/(seconds squared) as one vector of 45 degrees with a magnitude of 2 times the square root of 2 meters/(seconds squared).
What is the value of acceleration for a body?
Acceleration means how fast the body's velocity changes - in symbols, dv/dt. Average acceleration during a certain time is equal to (change in velocity) / (time elapsed). Since you are dividing a velocity by a time, the standard unit for acceleration is (meters / second) / second, but this is normally written as meters / second squared.
State in words how acceleration is calculated?
There are two methods, it depends on what variables you have: 1. Subtract the initial velocity from the final velocity and divide that whole term by the time (Vf- Vi)/t = a 2. Square both the initial velocity and the final velocity and subtract the squared inital velocity from the squared final velocity and that answer by two times the distance (Vf^2 - Vi^2)/2d = a
Why are velocity and acceleration both vectors?
Velocity and acceleration are both vectors because they have both magnitude and direction. Velocity is the rate of change of an object's position, while acceleration is the rate of change of an object's velocity. The direction of the velocity vector indicates the direction in which the object is moving, while the direction of the acceleration vector indicates the direction in which the velocity is changing.
Velocity and acceleration are vectors because?
Both velocity and acceleration of vectors because their magnitude is dependent on their direction. For example a velocity of 6 ft/s is different from a velocity of -6ft/s because they are in opposite directions. Like wise, an acceleration of 9.8 ft/s^2 indicates an increase in velocity while -9.8 ft/s^2 indicates a decrease in velocity.
What are vectors good at representing?
Vectors can represent anything that has both magnitude and direction, like velocity, acceleration, momentum, force, etc.
Which out of acceleration age speed temperature and velocity are vector quantities?
Acceleration and velocity are vector quantities because they have both magnitude and direction. Speed and temperature are scalar quantities because they only have magnitude.
Which are considered vectors?
Physical quantities that have both magnitude and direction are considered vectors. Examples of vectors include force, velocity, acceleration, and displacement. These quantities are represented using arrows to show their direction and scale to show their magnitude.
What has a velocity and acceleration vector in the same direction?
An object with a constant acceleration and velocity in the same direction will have both vectors pointing in the same direction. This occurs when an object is moving in a straight line with a constant speed while its velocity is also increasing at a constant rate.
Is velocity the same as acceleration?
No, velocity and acceleration are not the same. Velocity is the rate of change of an object's position with respect to time, while acceleration is the rate of change of an object's velocity with respect to time. In other words, acceleration measures how quickly an object's velocity is changing.
What qualities have both magnitude and direction?
Vectors have both magnitude (size) and direction. Examples include force, velocity, and acceleration.
What a examples of vectors?
Examples of vectors include velocity, force, and acceleration. These quantities have both magnitude and direction, making them suitable for representation as vectors. In physics, vectors are used to describe physical quantities that involve both size and direction.
Quantities have both a magnitude and direction?
Yes, quantities that have both magnitude and direction are known as vectors. Examples include force, velocity, and acceleration. Vectors are commonly represented using arrows to show both the magnitude (length) and direction of the quantity.
Explain the circumstances in which the velocity and acceleration of the body is parallel?
The velocity and acceleration of a body are parallel when the body is moving along a straight path with a constant speed. In this case, the velocity is constant, and since acceleration is the rate of change of velocity, it is zero. Therefore, both the velocity and acceleration vectors are parallel and pointing in the same direction.
How is acceleration similar to speed and velocity?
-- The magnitude of acceleration is equal to the time rate of change of speed. -- The magnitude of acceleration is equal to the time rate of change of the magnitude of velocity. -- Acceleration and velocity are both vectors.
