The average speed of an object is defined as the distance traveled divided by the time elapsed.
Speed is the magnitude of velocity. Velocity is the speed of an object plus its direction. Speed is called a scalar quantity and velocity is a vector quantity. Speed of Light. The fastest possible speed in the universe is the speed of light. or. s = d/t. 1  Instantaneous Speed-The speed of an object at a given moment. 2  The car may be travelling at 50 mph at this moment, but it may slow down or speed up during the next hour. 3  Average Speed-The average speed is calculated by the distance that an object traveled over a given interval of time. Because velocity doesn't take the distance traveled into account, an object's average speed and its average velocity can be very different. If a person walks a 3.5 km path from point A to point B in 45 minutes, she has an average speed of 4.66 kph. An object that changes its direction, even at a constant speed, is changing its acceleration as well. Because velocity is measured in distance over time, such as m/s, acceleration is measured in distance over time over time, or m/s 2. Velocity is a vector quantity that refers to the rate at which an object changes its position.. Imagine a person moving rapidly-one step forward and one step back-always returning to the original starting position. While this might result in a frenzy of activity, it would result in a zero velocity. If an object is moving rightwards, then its velocity is described as being rightwards. If an object is moving downwards, then its velocity is described as being downwards. So an airplane moving towards the west with a speed of 300 mi/hr has a velocity of 300 mi/hr, west. Speed is a scalar quantity that refers to how fast an object is moving.. Speed can be thought of as the rate at which an object covers distance. A fast-moving object has a high speed and covers a relatively large distance in a short amount of time. Contrast this to a slow-moving object that has a low speed; it covers a relatively small amount of distance in the same amount of time. If an object is moving rightwards, then its velocity is described as being rightwards. If an object is moving downwards, then its velocity is described as being downwards. So an airplane moving towards the west with a speed of 300 mi/hr has a velocity of 300 mi/hr, west. 1 Average Speed-The average speed is calculated by the distance that an object traveled over a given interval of time. 2  If a car traveled 50 miles over the course of one hour then its average speed will be 50 mph. or. s = d/t. 1  Instantaneous Speed-The speed of an object at a given moment. 2  The car may be travelling at 50 mph at this moment, but it may slow down or speed up during the next hour. 3  The car will reach a speed of 28 meters per second at the end of(1) 3.5 sec (3) 14 sec(2) 7.0 sec (4) 24 sec24. An object starting from rest accelerates at a rate of 3.0 meters/second squared for 6.0 seconds. The velocity of the object at the end of this time is(1) 0.50 m/s (3) 3.0 m/s(2) 2.0 m/s (4) 18 m/s25. An object has a constant acceleration of 2.0 meters per second 2. The time required for the object to accelerate from 8.0 meters per second to 28 meters per second is(1) 20. s (3) 10. s(2) 16. s (4) 4.0 s26. (March 2011). The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. Velocity is equivalent to a specification of its speed and direction of motion, e.g. 7001166666666666666♠60 km/h to the north. Speed describes only how fast an object is moving, whereas velocity gives both how fast and in what direction the object is moving. If a car is said to travel at 60 km/h, its speed has been specified. Speed = Distance/Time. or. s = d/t. 1  Instantaneous Speed-The speed of an object at a given moment. 2  The car may be travelling at 50 mph at this moment, but it may slow down or speed up during the next hour. 3  Average Speed-The average speed is calculated by the distance that an object traveled over a given interval of time. Velocity. The average speed of an object is defined as the distance traveled divided by the time elapsed. Velocity is a vector quantity, and average velocity can be defined as the displacement divided by the time. For the special case of straight line motion in the x direction, the average velocity takes the form: Go Back. The average speed of an object is defined as the distance traveled divided by the time elapsed. Velocity is a vector quantity, and average velocity can be defined as the displacement divided by the time. For the special case of straight line motion in the x direction, the average velocity takes the form:
http://www.ducksters.com/science/physics/speed_and_velocity.php http://www.wisegeek.org/what-is-velocity.htm http://www.physicsclassroom.com/class/1DKin/Lesson-1/Speed-and-Velocity http://www.physicsclassroom.com/class/1DKin/Lesson-1/Speed-and-Velocity http://www.ducksters.com/science/physics/speed_and_velocity.php http://www.bxscience.edu/ourpages/auto/2010/10/18/45623208/Review%20velocoty_acceleratio_freefall.pdf https://en.wikipedia.org/wiki/Velocity http://www.ducksters.com/science/physics/speed_and_velocity.php http://hyperphysics.phy-astr.gsu.edu/hbase/vel2.html
what is speed of an object