EVERYDAY SCIENCE

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PHYSICAL SCIENCES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following accurately contrasts velocity and speed?
A
speed is distance traveled in a certain amount of time. Velocity is time traveled in a certain distance
B
speed is distance traveled in a certain time. Velocity is speed in a specific direction
C
Velocity is distance traveled in a certain time. Speed is velocity in a certain direction
D
velocity is distance traveled in a certain time. Soeed is how fast you’re going
Explanation: 

Detailed explanation-1: -Speed is the time rate at which an object is moving along a path, while velocity is the rate and direction of an object’s movement. Put another way, speed is a scalar value, while velocity is a vector.

Detailed explanation-2: -Speed is the rate of change of motion, i.e. distance moved by an object in a specified time irrespective of direction. Velocity is speed with respect to direction. Speed is a scalar quantity while velocity is a vector.

Detailed explanation-3: -Acceleration (a) is the change in velocity (v) over the change in time (t), represented by the equation a = v/t. This allows you to measure how fast velocity changes in meters per second squared (m/s^2). Acceleration is also a vector quantity, so it includes both magnitude and direction.

Detailed explanation-4: -Differences Between Speed and Velocity Speed is a scalar quantity, i.e., it has only magnitude. Velocity is a vector quantity, i.e., it has both magnitude and direction. Speed measures the distance traveled (d) over the change in time (t). Speed ascertains how fast a body moves.

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