CVM: MC Review

#1. A runner runs 100 m in 60 seconds and then runs at 8 m/s for 30 seconds, what is the average

speed of the runner? a) 2.5 m/sb) 3.8 m/sc) 4.8 m/sd) 7.2 m/s

#1. A runner runs 100 m in 60 seconds and then runs at 8 m/s for 30 seconds, what is the average

speed of the runner? a) 2.5 m/sb) 3.8 m/sc) 4.8 m/sd) 7.2 m/s

#2. While running sprints a Volleyball player runs +50 m in 8 seconds, then returns -50 m in 9

seconds, what is their average velocity? a) + 5.9 m/sb) -5.9 m/sc) 0 m/sd) 8.5 m/s

#2. While running sprints a Volleyball player runs +50 m in 8 seconds, then returns -50 m in 9

seconds, what is their average velocity? a) + 5.9 m/sb) -5.9 m/sc) 0 m/sd) 8.5 m/s

© 2014 Pearson Education, Inc.

#3. What can we conclude about the motion of car A compared to car B?

a) Car A and car B are not atthe same location at t = 0.

b) Car B is 1 m ahead of car Aat t = 4 s.

c) Car B is moving faster thancar A.

d) Both cars are moving inthe –x direction.

e) Car A is moving faster than car B.

© 2014 Pearson Education, Inc.

#3. What can we conclude about the motion of car A compared to car B?

a) Car A and car B are not atthe same location at t = 0.

b) Car B is 1 m ahead of car Aat t = 4 s.

c) Car B is moving faster thancar A.

d) Both cars are moving inthe –x direction.

e) Car A is moving faster than car B.

© 2014 Pearson Education, Inc.

#4. A person starts at x0 = –2.0 m and endsat x = 3.0 m.

Given the ground as a reference frame and a coordinate axis pointing to the right, which of the following is TRUE?a) The displacement vector points to the left.b) The value of the displacement Δx is –5.0 m.c) The value of the displacement Δx is +5.0 m.d) The distance traveled is –5.0 m.

© 2014 Pearson Education, Inc.

#4. A person starts at xi = –2.0 m and endsat xf = 3.0 m.

Given the ground as a reference frame and a coordinate axis pointing to the right, which of the following is TRUE?a) The displacement vector points to the left.b) The value of the displacement dx is –5.0 m.

c) The value of the displacement dx is +5.0 m.

d) The distance traveled is –5.0 m.

© 2014 Pearson Education, Inc.

#5. Which parameter can we NOT determine fromthe following graph?

a) Initial position x0

b) Speed of the objectc) Velocity of the objectd) Position of the object

at time t = 3 se) Position of the object at t = 8 s

© 2014 Pearson Education, Inc.

#5. Which parameter can we NOT determine fromthe following graph?

a) Initial position x0

b) speed of the objectc) Velocity of the objectd) Position of the object

at time t = 3 se) Position of the object at t = 8 s

© 2014 Pearson Education, Inc.

#6. Which of the following statements is consistent with what the variables indicate for the general linear

function y = mx + b?

a) The variable x depends on y.b) b is the slope of the line.c) y is the slope of the line.d) b is the y-intercept.e) m is the y-intercept.

© 2014 Pearson Education, Inc.

#6. Which of the following statements is consistent with what the variables indicate for the general linear function y = mx + b?

a) The variable x depends on y.b) b is the slope of the line.c) y is the slope of the line.d) b is the y-intercept.e) m is the y-intercept.

© 2014 Pearson Education, Inc.

#7. What can we infer from the following graph?

a) The object's motion endswhen it reaches 10 mfrom the origin.

b) The object gets fartherfrom the origin with time.

c) The object started to theleft of the origin.

d) The object's final positionis to the left of its initial position.

© 2014 Pearson Education, Inc.

#7. What can we infer from the following graph?

a) The object's motion endswhen it reaches 10 mfrom the origin.

b) The object gets fartherfrom the origin with time.

c) The object started to theleft of the origin.

d) The object's final positionis to the left of its initial position.

© 2014 Pearson Education, Inc.

#8. A cyclist moves at a constant velocity of –8 m/s and starts at x0 = 0 m. Which of the following

statements is incorrect?

a) The cyclist has a speed of 8 m/s.b) The cyclist has moved 8 meters after 1

second has passed.c) The cyclist is at x = +8 m at t = 1 s.d) The cyclist is at x = –8 m at t = 1 s.

© 2014 Pearson Education, Inc.

#8. A cyclist moves at a constant velocity of –8 m/s and starts at x0 = 0 m. Which of the following

statements is incorrect?

a) The cyclist has a speed of 8 m/s.b) The cyclist has moved 8 meters after 1

second has passed.c) The cyclist is at x = +8 m at t = 1 s.d) The cyclist is at x = –8 m at t = 1 s.

© 2014 Pearson Education, Inc.

#9. Compare two objects (positions are in meters,time is in seconds):

x1 = 5t + 3x2 = –4t + 0

Which of the following is incorrect?

a) Object 2 starts at the origin.b) Object 1 and object 2 are moving in opposite

directions.c) Object 1 has a speed of 5 m/s.d) Object 2 has a velocity of 4 m/s.

© 2014 Pearson Education, Inc.

#9. Compare two objects (positions are in meters,time is in seconds):

x1 = 5t + 3x2 = –4t + 0

Which of the following is incorrect?

a) Object 2 starts at the origin.b) Object 1 and object 2 are moving in opposite

directions.c) Object 1 has a speed of 5 m/s.d) Object 2 has a velocity of 4 m/s.

© 2014 Pearson Education, Inc.

#10. What is the displacement of "you" betweent = 0 and t = 2 s?

a) 0 mb) +3 mc) +6 md) +9 m

© 2014 Pearson Education, Inc.

#10. What is the displacement of "you" betweent = 0 and t = 2 s?

a) 0 mb) +3 mc) +6 md) +9 m

© 2014 Pearson Education, Inc.

#11. Shanda drives around a circular track exactly 12 times in 2 hours. Her speedometer constantly reads

exactly 15 miles per hour during this time. Her average velocity is zero for the trip.

a) Trueb) False

© 2014 Pearson Education, Inc.

#11 Shanda drives around a circular track exactly 12 times in 2 hours. Her speedometer constantly reads

exactly 15 miles per hour during this time. Her average velocity is zero for the trip.

a) Trueb) False