Chapter 11 Review Game

Question 1 An expression for ______________ is (vf – vi)/t.

Answer 1 Acceleration

Question 2 A quantity that has both magnitude and direction is called a(n) __________.

Answer 2 vector

Question 3 The total distance traveled divided by the total time is ____________.

Answer Average Speed

Question 4 The speed-time graph in which data points form a straight line is an example of a(n) ___________ graph.

Answer 4 linear

Question Common units for ____________ include meters per second (m/s)

Answer speed

Question In order to accurately and completely describe the motion of an object, a(n) _______________ is necessary.

Answer Frame of reference

Question You can determine __________ by measuring the length of the actual path between two points in space.

Answer distance

Question Two or more vectors combine to form a(n) ______________.

Answer resultant

Question Objects in ___________ accelerate at 9.8 m/s2.

Answer Free fall

Question A curve often connects data points on a(n) ____________ graph.

Answer nonlinear

Question Together, the speed and direction in which an object is moving are called ___________.

Answer velocity

Question Movement in relation to a frame of reference is ______________.

Answer Relative motion

Question ____________ is the direction from the starting point and the length of a straight line from the starting point to the ending point.

Answer Displacement

Question ___________ is the rate at which an object is moving at a given moment in time.

Answer Instantaneous speed

Question The slope of a line on a distance-time graph is ___________.

Answer speed

Question Name 3 ways an object can accelerate. (1 point each)

Answer Speed up, slow down, turn

Question The slope of a speed-time graph is ______________.

Answer Acceleration

Question Calculate the average speed during the first 5 hours of the trip (in km/h)

Answer 3/5 km/h or 0.6 km/h

Question Calculate the average speed during the interval 8 h to 12 h. (in km/h)

Answer 2 km/h

Question Danica Patrick completed a race in 3.174 hours. What was Danica’s average speed during the 500.0 mile race? (in mi/h)

Answer 157.5 mi/h

Question The slowest animal every discovered was a crab found in the Red Sea. It traveled with an average speed of 5.70 km/year. How long would it take this crab to travel 100. km? (Put your answer in units of years).

Answer 17.5 years

Question Grace is driving her sports car at 30 m/s when a ball rolls out into the street in front of her. Grace slams on the brakes and comes to a stop in 3.0 s. What was the acceleration of Grace’s car?

Answer -10 m/s2

Question While driving his sports car at 20.0 m/s down a four lane highway, Eddie comes up behind a slow moving dump truck and decides to pass it in the left hand lane. If Eddie can accelerate at 5.00 m/s2, how long will it take for him to reach a speed of 30.0 m/s?

Answer 2 seconds

Question A person walks 5 blocks east and then turns around and walks 5 blocks west, stopping at their original location. What is the person’s displacement?

Answer zero

Question A passenger in the rear seat of a car moving at a steady speed is at rest relative to: The side of the road A pedestrian on the corner ahead The front seat of the car The wheels of car

Answer C

Question What distance can be most accurately measured with a ruler? The length of a river The width of a book The distance between two cities The size of an object under a microscope

Answer B – the width of a book

Question A person drives north 3 blocks, then turns east and drives 3 blocks. The driver then turns south and drives 3 blocks. How could the driver have made the distance shorter while maintaining he same displacement? By driving east 3 blocks from the starting point By driving north 1 block and east 4 blocks By driving west 3 blocks from the starting point By driving back to the starting point by the same route

Answer A

Question Speed is the ratio of the distance an object moves to The amount of time needed to travel the distance The direction the object moves The displacement of the object The motion of the object

Answer A

Question A car traveled 88 km in 1 hour, 90 km in the next 2 hours, and then 76 km in 1 hour before reaching its destination. What was the car’s average speed? 254 km/h 63.5 km/h 209 km/h 74.5 km/h

Answer B

Question Vector addition is used when motion involves More than one distance More than one velocity More than one speed All of the above

Answer B

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

Answer B

Question An object moving at 30 m/s takes 5 s to come to a stop. What is the object’s acceleration? 30 m/s2 -30 m/s2 -6 m/s2 6 m/s2

Answer C

Question A person walks 1 mile every day for exercise, leaving her front porch at 9:00 A.M. and returning to her front porch at 9:25 A.M. What is the total displacement of her daily walk? 1 mile 25 minutes None of the above

Answer

Question A ball is rolled uphill a distance of 3 meters before it slows, stops, and begins to roll back. The ball rolls downhill 6 meters before coming to rest against a tree. What is the magnitude of the ball’s displacement? 3 meters 6 meters 9 meters 18 meters

Answer A

Question Instantaneous speed is measured At the starting point When the object reaches its destination At a particular instant Over the duration of the trip

Answer C

Question The slope of a line on a distance-time graph is Distance Time Speed Displacement

Answer C

Question The rate at which velocity changes is Speed Vectors Acceleration Motion

Answer C

Question Objects in free fall near the surface of the Earth experience Constant speed Constant velocity Constant acceleration Constant distance

Answer C

Question Suppose you increase your walking speed from 1 m/s to 3 m/s in a period of 2 s. What is your acceleration? 1 m/s2 2 m/s2 4 m/s2 6 m/s2

Answer A

Question The slope of a speed-time graph indicates Direction Acceleration Velocity Speed

Answer B

Question An object that is accelerating may be Slowing down Gaining speed Changing direction All of the above

Answer D

Question Displacement and velocity are examples of ___________________________ because they have both direction and magnitude.

Answer Vectors

Question The SI unit for measuring __________________________ is the meter.

Answer Distance

Question A car’s speedometer measures _______________________________.

Answer Instantaneous Speed

Question Freely falling objects accelerate at 9.8 m/s2 because the force of __________________________ acts on them.

Answer Gravity

Question What is the displacement between the following two points: START (6, 9) and FINISH (5, 1)?

Answer 8

Question What is the speed of a car that travels 150 km in 3.00 hrs?

Answer 50 km/h

Question How long will it take to go 150 km traveling at 50 km/hr?

Answer 3 hr

Question What is the acceleration of a car that goes form 40 km/hr to 80 km/hr in 2 h?

Answer 20 km/h2

Question A vehicle goes from 5 m/s to 45 m/s in 8 s. What is its acceleration?

Answer 5 m/s2