9/19 Lecture 4 Drugs and Behaviour
Drug Use as Deviant Behaviour
Why would people continue to use drugs when so many disapprove?
Addictive personality?
NO
Biological Defect?
Weak in terms of empirical experience
Poor parenting?
Week evidence
Behavior t
9/7 Lecture 1
Drugs and Behavior W2460
Mon & Wed 8:40-9:55
Office and hours: Schermerhorn Hall Room 401-D
212-851-9421
Appointment: chair@psych.columbia.edu
Lab location: New York State Psychiatric Institute R3706
Course objectives:
Use of psychoactive dr
9_14 Lecture 3
Drugs and Behaviours
The scare tactics to help reduce peoples use of drugs (example: video)
There is only correlation between the perceived risk and use of drugs. Cannot make
causal statements.
Quiz1:
1). From these data, why is it inapprop
9/21 lecture 5
Drugs and Behavior
Continue from last lecture:
More than 80% of individuals sentenced under the Crack/Powder Law are black
Severely restricted civil liberty in the 1980s
Drugs arrests contribute to horrifying statistics:
Black represent 1/3
9/12 Lecture2
Drugs and Behavior
How many heroin addicts are there in the U.S.?
What constitutes an addict?
I try to keep my coffee buzz going till the Martini buzz kicks in.
Thought 1: Coffee and the drugs(vitamin) which are normalized do not be
perceiv
41. An object is launched from the origin with a velocity of 15.0 m/s at an angle of 30.0 degrees above
the horizontal. What is the location of the object 2.00 seconds later?
A. X = 4.60 m, Y = 9.60 m
B. X = -26.0 m, Y = -26.0 m
C. X = -36.0 m, Y = -4.60
12. A force of 15 N toward the WEST is applied to a 4.0-kg box. Another force of 42 N toward the
EAST is also applied to the 4.0-kg box. The net force on the 4.0-kg box is
A. 57 N toward the WEST.
B. 27 N toward the EAST.
C. 36 N toward the WEST.
D. 36 N
9. A vector A is directed along the positive x-axis and has a magnitude of 3.00 units. Vector B is
directed along the negative x-axis and has a magnitude of 2.00 units. The magnitude and direction
of the vector A - B is
A. 3.00 units in the positive x dir
27.
How fast must a motor cycle go in order to jump a 5-meter gap in a bridge if he starts from the
level side that is 1 meter higher than the one he is to land on?
A. 8.35 m/s
B. 5.60 m/s
C. 11.1 m/s
D. 9.80 m/s
Giambattista - Chapter 03 #27
Section: 3.5
6.
The diameter of a circle is doubled. By what factor is the area changed?
A. 2
B. 2
C. 4
D. 4
E. 1
Giambattista - Chapter 01 #6
Section: 1.3 The Use of Mathematics
7.
The radius of a circle is increased by 5%. The percentage increase of the circumferenc
18.
By what factor does the volume of a cube increase if the length of the edges are tripled?
A. 6
B. 9
C. 3
D. 27
Giambattista - Chapter 01 #18
Section: 1.3 The Use of Mathematics
19.
The side of a cube is decreased by 6%. The percentage decrease of the
53. An object is launched from the origin with a velocity of 20.0 m/s at an angle of 30.0 degrees above
the horizontal. The object lands on a roof that is 4.00 m high. What is the speed when the object
hits the roof?
A. 19.2 m/s
B. 17.9 m/s
C. 12.5 m/s
D.
42.
Which of the following is not a SI base unit?
A. kelvin
B. kilogram
C. newton
D. second
E. meter
Giambattista - Chapter 01 #42
Section: 1.5 Units
43.
To be dimensionally consistent, distance [L], velocity [L/T], and time [T] must be related as
A. dist
39. A car starts from rest and moves with a constant acceleration of 5.0 m/s2. How long will it take to
reach a speed of 45.0 m/s?
A. 3.0 s
B. 9.0 s
C. 5.0 s
D. 11 s
40. Which car has a westward acceleration?
A. a car moving west at constant speed
B. a ca
Section: 2.5 Motion Along a Line with Constant Acceleration
48.
A runner starts from rest and with an acceleration of 2.0 m/s2 travels a distance of 12 meters.
The velocity of the runner at the end of the distance is
A. 3.4 m/s.
B. 5.7 m/s.
C. 6.9 m/s.
D.
66. A ball is thrown straight up, reaches a maximum height, then falls to its initial height. As the ball is
going up
A. both its velocity and its acceleration point downward.
B. its velocity points downward and its acceleration points upward.
C. its velo
59.
A ball is thrown straight up with an initial speed of 30 m/s. What is its speed after 4.2 s?
A. 72 m/s
B. 42 m/s
C. 30 m/s
D. 11 m/s
Giambattista - Chapter 02 #59
Section: 2.7 Free Fall
60.
A ball is thrown straight up with a speed of 30.0 m/s. What i
3.
An ant travels 30 cm east, then 25 cm north, and finally 15 cm west. What is the direction with
respect to his starting point?
A. 59 N of E
B. 77 N of E
C. 29 N of E
D. 59 N of W
Giambattista - Chapter 03 #3
Section: 3.2 Vector Addition and Subtraction
18. A car travels east at 50.0 km/hr for 2.00 hours. It then travels west 40.0 km in 1.00 hour. The
average velocity of the car for the entire trip is
A. 20.0 km/hr.
B. 27.1 km/hr.
C. 38.3 km/hr.
D. 46.7 km/hr.
E. 30.0 km/hr.
19. A motor cycle travels EAS
32. The length 3.76 mm is divided by 6 mm. The appropriately rounded ratio is
A. 0.627.
B. 0.63.
C. 0.6.
D. 0.62666.
E. 0.6267.
33. The length 3.76 mm is divided by 0.0232 mm. The rounded ratio is
A. 160.
B. 162.
C. 162.1.
D. 162.07.
E. 162.069.
34. A cub
37.
A car starts from rest and travels a distance of 100 m in 10 seconds. The acceleration of the car
is
A. 1.0 m/s2.
B. 2.0 m/s2.
C. 2.5 m/s2.
D. 3.0 m/s2.
E. 3.5 m/s2.
Giambattista - Chapter 02 #37
Section: 2.5 Motion Along a Line with Constant Accelera
8.
A vector A is directed along the positive x-axis and has a magnitude of 3.00 units. Vector B is
directed along the negative x-axis and has a magnitude of 2.00 units. The magnitude and
direction of the vector A + B is
A. 3.00 units in the positive x dir
65. Two cars are driving toward each other on a straight road. Car A is traveling at 82 km/h north and
car B is traveling at 48 km/h south. What is the velocity of car B relative to car A?
A. 32 km/h NORTH
B. 130 km/h NORTH
C. 32 km/h SOUTH
D. 130 km/h SO
27.
The graph shows vx versus t for an object moving along straight line. What is the acceleration at
t = 11 s?
A. -10 m/s2
B. 10 m/s2
C. 22 m/s2
D. -22 m/s2
Giambattista - Chapter 02 #27
Section: 2.4 Acceleration: Rate of Change of Velocity
28.
The figur
54.
Estimate how many textbooks of 1000 pages stacked on top of each other it takes to make a
stack of books 10 feet high.
A. 60
B. 50
C. 40
D. 30
E. 20
Giambattista - Chapter 01 #54
Section: 1.8 Approximation
55.
What is the order of magnitude of the num
28. A ball thrown into the air follows a parabolic trajectory. At the highest point in the trajectory
A. both the velocity and the acceleration are zero.
B. the velocity is zero, but the acceleration is not zero.
C. neither the acceleration nor the veloci
47. To be dimensionally consistent, velocity [L/T], force [ML/T2], mass [M], and length [L] must be
related as
A. velocity2 = force length/mass.
B. velocity2 = force length/mass2.
C. velocity = force length2/mass.
D. velocity = force length/mass.
48. To b
61. Find the equation x = at2 + b that fits the following data.
A. x = t2 + 18
B. x = 2t2 - 2
C. x = t2 + 3
D. x = 2t2 + 0
62. Find the equation v2 = ah + b that fits the following data.
A. v2 = 4h + 0
B. v2 = 2h + 4
C. v2 = 4h + 4.90
D. v2 = 2h + 0
63. F
32. Two masses are connected by a string which passes over a pulley with negligible mass and
friction. One mass hangs vertically and one mass slides on a 30.0-degree incline. The inclined
surface has a coefficient of kinetic friction of 0.200. The vertica
15.
A car with an initial direction of north moves clockwise one-half a circle of radius 30.0 m in 30.0
s at a constant speed. What is the average velocity?
A. 1.00 m/s, north
B. 2.00 m/s, east
C. zero
D. 3.14 m/s, south
Giambattista - Chapter 03 #15
Sect