Question 1
A dog walks 12 meters to the east and then 16 meters back to the west.
For this motion, what is the distance moved?
What is the magnitude and direction of the displacement?

Respuesta :

The distance covered is simply the length of the entire trip, which is 12m + 16m, or 28m.

The displacement is the distance from the starting point to the ending point along with the direction of the net motion. The dog walks 12m east then 16m west, so its resultant displacement is 4m west.

The total distance moved is 28meters while the magnitude of the displacement is 4metres.

The direction of the displacement is zero degrees

Distance talks about how far an object has traveled while displacement is the total distance traveled in a specified direction.

If a dog walks 12 meters to the east and then 16 meters back to the west, then the total distance covered will be expressed as:

Distance moved = 12m + 16m

Distance moved = 28 meters

Next is to get the displacement.

Distance towards east = + 12 meters

Distance towars west = -16metres

Displacement = -16 + 12

Displacement = -4meters

|D| = 4meters

Hence the magnitude of the displacement is 4metres

Since the direction of movement is along the x-axis, this shows that the direction is zero degrees

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