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Q: Vector addition is used when motion involves A. more than one direction. B. more than one velocity. C. more than one speed. D. all of the above
A: B. more than one velocity
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Original conversation
User: Suppose you increase your walking speed from 1 m/s to 3 m/s in a period of 1 s. What is your acceleration? A. 2 m/s2 B. 5 m/s2 C. 4 m/s2 D. 3 m/s2

User: Which example describes constant acceleration due ONLY to a change in direction? A. increasing speed while traveling around a curve B. an object at rest C. traveling around a circular track D. an object in free fall

User: Which example identifies a change in motion that produces acceleration? A. a speed skater moving at a constant speed on a straight track B. a ball moving at a constant speed around a circular track C. a particle moving in a vacuum at constant velocity D. a vehicle moving down the street at a steady speed

User: Vector addition is used when motion involves A. more than one direction. B. more than one velocity. C. more than one speed. D. all of the above

Weegy: B. more than one velocity
justpretty|Points 1177|

User: A river current has a velocity of 5 km/h relative to the shore, and a boat moves in the same direction as the current at 5 km/h relative to the river. How can the velocity of the boat relative to the shore be calculated? A. by subtracting the river current vector from the boat’s velocity vector B. by dividing the river current vector by the boat’s velocity vector C. by multiplying the vectors D. by adding the vectors

Weegy: D. by adding the vectors
patrick_hustla|Points 890|

User: A horizontal line on a distance-time graph means the object is A. moving at a constant speed. B. moving faster. C. slowing down. D. at rest.

Weegy: D. at rest, If an object is not moving, a horizontal line is shown on a distance-time graph.
jeifunk|Points 4956|

User: Instantaneous speed is measured A. at the starting point. B. when the object reaches its destination. C. at a particular instant. D. over the duration of the trip.

Weegy: 3. at a particular instant. Instantaneous speed is measured at a particular instant.
migzptz|Points 6268|

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Asked 8/3/2012 8:23:49 AM
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