Speed and Velocity

Question 1

Question 1

Revolt · Accepted Answer

96738

Question 2

Ben walks 500 meters from his house to the corner store. He then walks back toward his house, but continues 200 meters past his house to talk to a neighbor. It takes Ben 17 minutes from the time he leaves his house until he stops to talk to his neighbor.What is Ben’s average velocity? Round to the nearest tenth.

Revolt · Accepted Answer

0.2 m/s

Question 3

Using the information in the graph, compare the motion of runners A, B, and C. Be sure to compare the initial position and velocity of each runner.

Revolt · Accepted Answer

Runner A starts at the 0 m position and has the highest velocity, represented by the steepest slope. Runner B starts at the 2 m position and has a lower velocity than Runner A. Runner C starts at the 4 m position and has a velocity of zero because the line is horizontal, meaning the runner is stationary. All three runners reach the 4 m mark at 4 seconds.

Question 4

Using the graph, describe what is happening between 4 and 6 seconds.

Revolt · Accepted Answer

The object is not moving.

Question 5

Use the graph to determine the velocity of the object. What is the instantaneous velocity of the object at 3 seconds? m/s What is the average velocity of the object? m/s

Revolt · Accepted Answer

Part 1: 3; Part 2: 0

Question 6

Which statements accurately describe the motion map? Check all that apply.

Revolt · Accepted Answer

The objects are moving in opposite directions.; Object B has a greater velocity than object A.

Question 7

Which scenario could produce this motion map?

Revolt · Accepted Answer

Pilar is walking to her car, stops to check for her keys, and turns around to get them from her house.

Speed and Velocity Answers

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