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Which decides direction velocity or acceleration?
Acceleration determines the direction of velocity. Velocity is a vector quantity that includes speed and direction, while acceleration is the rate of change of velocity. If an object is accelerating, its velocity is changing, which means its direction is also changing.
How can a car accelerate if its speed is constant?
A car can accelerate even if its speed is constant by changing its direction or increasing its velocity. For example, if a car is moving in a circle, it is constantly changing its direction, resulting in acceleration. Additionally, if a car is moving at a constant speed and then speeds up, it is also accelerating.
What is the opposite of changing direction?
The opposite of changing directions would be maintaining a course, or continuing in the same direction.
Why velocity is not constant if satellite travels with constant spped at a fixed elevatiopn?
Speed is a scalar quantity meaning it has only magnitude. Velocity is a vector meaning it has magnitude and direction. Whilst the satellite's speed is constant its direction is constantly changing. If its direction didn't change it would fly off in a straight line. Since its direction is changing, the velocity must be changing. And also since the velocity is changing, the satellite is also accelerating (towards the centre of the earth).
Describe the to ways in which velocity can change?
Velocity can change by either changing the speed of an object or changing its direction of motion. If an object speeds up or slows down, its velocity will change. Similarly, if an object changes its direction, its velocity will also change.
Is changing direction really the same as changing speed?
No. It is possible to change direction without changing speed. However, it is not possible to change direction without changing velocity.
When you go around a curve is your velocity changing?
Yes; although speed ( a scalar quantity) may be constant the velocity ( a vector with quantity and direction) is changing because the direction is changing
Which decides direction velocity or acceleration?
Acceleration determines the direction of velocity. Velocity is a vector quantity that includes speed and direction, while acceleration is the rate of change of velocity. If an object is accelerating, its velocity is changing, which means its direction is also changing.
How can a car accelerate if its speed is constant?
A car can accelerate even if its speed is constant by changing its direction or increasing its velocity. For example, if a car is moving in a circle, it is constantly changing its direction, resulting in acceleration. Additionally, if a car is moving at a constant speed and then speeds up, it is also accelerating.
Can you control sound wave direction by changing the direction and presure of air?
You can control sound wave direction, by changing the direction and pressure of air.
What is the opposite of changing direction?
The opposite of changing directions would be maintaining a course, or continuing in the same direction.
Why velocity is not constant if satellite travels with constant spped at a fixed elevatiopn?
Speed is a scalar quantity meaning it has only magnitude. Velocity is a vector meaning it has magnitude and direction. Whilst the satellite's speed is constant its direction is constantly changing. If its direction didn't change it would fly off in a straight line. Since its direction is changing, the velocity must be changing. And also since the velocity is changing, the satellite is also accelerating (towards the centre of the earth).
Describe the to ways in which velocity can change?
Velocity can change by either changing the speed of an object or changing its direction of motion. If an object speeds up or slows down, its velocity will change. Similarly, if an object changes its direction, its velocity will also change.
If you speed is not changing but your direction is changing are you accelerating?
Yes; acceleration is any change in velocity - speed, or direction.
What is an example of an object changing direction?
A car making a U-turn is an example of an object changing direction.
What are 3 ways that an object can change it velocity?
By changing its speed - increasing or decreasing. By changing its direction of motion. By a combination of changing speed and direction simultaneously.
What is an object always changing if it is moving in a circle?
If an object is moving in a circle (like a teather ball or a planet in orbit, although orbit is not a perfect circle), then its velocity is always changing (remember that velocity is speed AND direction, and since the direction is changing, the velocity is changing). It's position is also always changing as a result of having a velocity.
