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
2 answers:
Option (b) is correct. Speed is the ratio of the distance an object moves to <u>the amount of time needed to travel the distance. </u>
<u> </u>
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.
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.
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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.
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Answer:
New location at time 3.01 is given by: (7.49, 2.11)
Explanation:
Let's start by understanding what is the particle's velocity (in component form) in that velocity field at time 3:
With such velocities in the x direction and in the y-direction respectively, we can find the displacement in x and y at a time 0.01 units later by using the formula:
Therefore, adding these displacements in component form to the original particle's position, we get:
New position: (7 + 0.49, 2 + 0.11) = (7.49, 2.11)