Question

19. Which pair of variables defines motion?
a) Speed and distance
b) Time and momentum
c) Change of position and passage of time
d) Speed and passage of time​

Answer 1

Answer:

option c is correct answer

Explanation:

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Answer 2

The correct pair of variables that defines motion is the change of position and passage of time (option c).

• The motion of an object implies that its position is continuously changing with the change in time.

• Speed is the rate of an object traveling particular distance in a given amount of time. It depends on two variables namely distance and time. Option a is not the correct pair.

• The particle in motion is related to momentum but it also depends on the mass of an object. Option b is not the correct pair.

• Speed and Time will determine how much distance was traveled by an object. Option d is not the correct pair.

• All the given variables are the result of motion but motion simply depends on change in position and time.