Question

speed is the ratio of the distance an object moves to a. the direction the object moves. b. the amount of time needed to travel the distance. c. the motion of the object. d. the displacement of the object.

Answer 1

It is the ratio of distance an object moves to the amount of time needed to travel the distance. Option b.

Answer 2

Option (b) is correct. Speed is the ratio of the distance an object moves to the amount of time needed to travel the distance.

Further Explanation:

The speed of a body is defined as the rate of the distance covered by the body. It means that the speed is the measure of the amount of distance covered by a body in a particular interval of time.

The mathematical expression for the velocity of a body is given as.

$speed = \dfrac{{distance}}{{time}}$  

The above mathematical expression shows that the speed of a body is the ratio of the distance covered by the body to the amount of time taken by the body to cover the particular distance.

Learn More:

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Answer Details:

Grade: High School

Chapter: Speed and distance

Subject: Physics

Keywords:  Speed, ratio, distance, displacement, rate of distance, covered by body, time taken, mathematical expression, an object.