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If an object moves in the same direction and at a constant speed for 4 hours which of the following is true?
a. The object's speed changed during the 4 hours.b. The object's velocity did not change.
When an object moves with constant velocity what happens?
Constant velocity means that the object's speed is constant, and it moves in a straight line, i.e. the direction of its motion is also constant. When an object moves in a manner consistent with this description, probability dictates that sooner or later, it bumps into something.
What types of forces determine whether an object remains at rest or moves at a constant velocity?
The types of forces that determine whether an object remains at rest or moves at a constant velocity are balanced forces. If the forces acting on an object are equal in size and opposite in direction, the object will remain at rest. If the forces are balanced and in the same direction, the object will move at a constant velocity.
A runner rounding a curve on a track at a constant speed is an example of what type of acceleration?
if an object moves in the same direction and at a constant speed for 4 hours, which of the following is true? a. the object's speed changed during the 4 hours b. the object's velocity did not change. c. the object accelerated during the 4 hours. d. the object decelerated during the 4 hours.<-------- the answer to this is b
What does positive velocity means?
Positive velocity refers to an object moving in the positive direction along its path. It indicates that the object is moving forward or in the direction of increasing position. Velocity is a vector quantity that includes both magnitude (speed) and direction.
What is an object that moves with constant position?
An object that moves with constant position will have constant velocity or acceleration. This is said to be moving in positive direction and maintains the position.
If an object moves in the same direction and at a constant speed for 4 hours which of the following is true?
a. The object's speed changed during the 4 hours.b. The object's velocity did not change.
When an object moves with constant velocity what happens?
Constant velocity means that the object's speed is constant, and it moves in a straight line, i.e. the direction of its motion is also constant. When an object moves in a manner consistent with this description, probability dictates that sooner or later, it bumps into something.
What changes as an object moves with a constant acceleration?
During constant acceleration, either the object's speed changes at a constant rate, or the direction of its motion changes at a constant rate, or both.
What types of forces determine whether an object remains at rest or moves at a constant velocity?
The types of forces that determine whether an object remains at rest or moves at a constant velocity are balanced forces. If the forces acting on an object are equal in size and opposite in direction, the object will remain at rest. If the forces are balanced and in the same direction, the object will move at a constant velocity.
A runner rounding a curve on a track at a constant speed is an example of what type of acceleration?
if an object moves in the same direction and at a constant speed for 4 hours, which of the following is true? a. the object's speed changed during the 4 hours b. the object's velocity did not change. c. the object accelerated during the 4 hours. d. the object decelerated during the 4 hours.<-------- the answer to this is b
What does positive velocity means?
Positive velocity refers to an object moving in the positive direction along its path. It indicates that the object is moving forward or in the direction of increasing position. Velocity is a vector quantity that includes both magnitude (speed) and direction.
How can acceleration occur when speed is constant?
Acceleration is the rate of change of velocity. Even if an object's speed is constant, acceleration can still occur if the direction of the object's motion changes. For example, when an object moves in a circle at a constant speed, it is undergoing acceleration towards the center of the circle due to the change in its direction of motion.
If an object has only a centripetal acceleration what aspect of the object's velocity is changing?
If an object has only a centripetal acceleration, its velocity's direction is changing, but its speed remains constant. This means the object is continuously changing its direction while maintaining a constant speed as it moves in a circular path.
What keeps the moon in motion?
Newton's first law of motion. If there is no net force on an object, then its velocity is constant. The object is either at rest (if its velocity is equal to zero), or it moves with constant speed in a single direction. The moon moves in a single direction about the earth because it is kept from drifting away by earth's gravity.
Which object has a constant speed?
a car traveling the speed limit
What is an example of an accelerating object but moves in a constant speed?
An object moving in a circular path at a constant speed is accelerating because its direction of motion is changing. The object is not speeding up or slowing down but is constantly changing its direction, which results in acceleration towards the center of the circle.
