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Linear Motion Review

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1.Speed is a ____ quantity. A.) vector B.) scalar C.) additive D.) subtractive

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A child walks 5.0 meters north, then 4.0 meters east, and finally 2.0 meters south. What is the total distance the child travels? (A) 1.0 m (B) 5.0 m (C) 3.0 m (D) 11.0 m

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A child walks 5.0 meters north, then 4.0 meters east, and finally 2.0 meters south. What is the magnitude of the resultant displacement of the child after the entire walk? (A) 1.0 m (B) 5.0 m (C) 3.0 m (D) 11.0 m

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If I travel for 2 hours at 20 miles per hour the total distance covered is ?

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On a highway, a car is driven 80 kilometers during the first 1.00 hour of travel, 50 kilometers during the next 0.50 hour, and 40 kilometers in the final 0.50 hour. What is the car’s average speed for the entire trip? (A) 45 km/h (B) 60. km/h (C) 85 km/h (D) 170 km/h

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A car increases its speed from 9.6 m/s to 11.2 m/s in 4.0 seconds. The average acceleration of the car during this 4.0-second interval is (A) 0.40 m/s 2 (B) 2.4 m/s 2 (C) 2.8 m/s 2 (D) 5.2 m/s 2

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A skater increases her speed uniformly from 2.0 m/s to 7.0 m/s over a distance of 12 meters. The magnitude of her acceleration as she travels this 12 meters is (A) 1.9 m/s 2 (B) 2.2 m/s 2 (C) 2.4 m/s 2 (D) 3.8 m/s 2

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The speed of an object undergoing constant acceleration increases from 8.0 m/s to 16.0 m/s in 10 seconds. What is the acceleration? (A) 8.0 × 10 -2 m/s 2 (B) 8.0 × 10 -1 m/s 2 (C) 8.0 × 10 0 m/s 2 (D) 8.0 × 10 1 m/s 2

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The speed of an object undergoing constant acceleration increases from 8.0 meters per second to 16 meters per second in 10 seconds. How far does the object travel during the 10 seconds?

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Acceleration due to gravity is approximately what value? A.) 12 m/s 2 B.) 9.8 m/s 2 C.) 7 m/s 2 D.) 0 m/s 2

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Questions A ball thrown vertically upward reaches a maximum height of 30 meters above the surface of Earth. At its maximum height, the speed of the ball is (A) 0.0 m/s (C) 9.8 m/s (B) 3.1 m/s (D) 24 m/s

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Questions A ball thrown vertically upward reaches a maximum height of 30 meters above the surface of Earth. At its maximum height, the acceleration of the ball is (A) 0.0 m/s 2 (C) 9.8 m/s 2 (B) 3.1 m/s 2 (D) 24 m/s 2

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A student throws a baseball vertically upward and then catches it. If vertically upward is considered to be the positive direction, which graph best represents the relationship between velocity and time for the baseball?

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The graph represents the velocity of an object traveling in a straight line as a function of time. Determine the magnitude of the total displacement of the object at the end of the first 6.0 seconds.

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A cart travels with a constant nonzero acceleration along a straight line. Which graph best represents the relationship between the distance the cart travels and time of travel?

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Questions Why doe the space shuttle travel 200km above the surface of the earth? A. No gravity B. No air resistance C. High gravity D. High air resistance

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Which graph best represents the relationship between the acceleration of an object falling freely near the surface of Earth and the time that it falls?

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The length of a dollar bill is approximately (A) 1.5 × 10 –2 m (B) 1.5 × 10 –1 m (C) 1.5 × 10 1 m (D) 1.5 × 10 2 m

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A 75-kilogram athlete jogs 1.8 kilometers along a straight road in 1.2 × 10 3 seconds. Determine the average speed of the athlete in meters per second.

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A 747 jet, traveling at a velocity of 70 m/s north, touches down on a runway. The jet slows to rest at the rate of 2.0 m/s 2 Calculate the total distance the jet travels on the runway as it is brought to rest.

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A car on a straight road starts from rest and accelerates at 1.0 m/s 2 for 10 seconds. Then the car continues to travel at constant speed for an additional 20 seconds. Determine the speed of the car at the end of 10 seconds.

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A car on a straight road starts from rest and accelerates at 1.0 m/s 2 for 10 seconds. Then the car continues to travel at constant speed for an additional 20 seconds. Calculate the distance the car travels in the FIRST 10 seconds.

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What is the distance traveled in time 0 - 4 s? 4 -4 5 10

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What is the distance traveled in time 4 - 6 s? 4 -4 5 10

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What is the distance traveled in time 0 - 6 s? 4 -4 5 10

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What is the distance traveled in time 6 - 8 s? 4 -4 5 10

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What is the distance traveled in time 0 - 8 s? 4 -4 5 10

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What is the distance traveled in time 8 - 10 s? 4 -4 5 10

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What is the distance traveled in time 0 - 10 s? 4 -4 5 10

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What is the distance traveled in time 10 - 12 s? 4 -4 5 10

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What is the total distance traveled? 4 -4 5 10

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