Transcript Final Review 2x

Meet in the computer plaza
Bring your calculator, I will not have
extra
 Bring a #2 pencil, I will not have extra
 Bring your review in case you need your
0.5% buffer. I will need to check it again
and make sure it is PERFECT!!!


Part 2
1 minute
A car is moving with a uniform speed of 15.0 m/s
along a straight path. What is the distance
covered by the car in 12.0 minutes?
A) 0.00102 km
B) 10.8 km
C. 0.000102 km
D. 1.08 km
20 seconds
Which of the following is a pair of vector
quantities?
A. Speed — Distance
B. Velocity — Distance
C. Velocity — Displacement
D. Speed — Displacement
1 minute
If a drag racer wins the final round of her race by
going an average speed of 198.37 miles per
hour in 4.537 seconds, what distance did she
cover?
A. 157,401 miles
B. 2.500 miles
C. 0.2500 miles
D. 0.0121 miles
45 seconds
Which position-time graph shows the forward
progress of Sunny The Dog at a constant
velocity for 20 meters over the course of 4
seconds.
A
B
C
D
90 seconds
A 52 kg person on a freefall ride falls with an
acceleration of 8.2 m/s2. What is the force that the
seat is pushing up on the person?
A) 93.6 N
C) 426.4 N
B) 374.4 N
D) 520 N
45 seconds
4
3
V 2
(m/s)
1
0
What is the displacement of
the object?
0
2
4
t(s)
A) 12 m
C) 3 m
B) 9 m
D) 1.5 m
45 seconds
A man starts his car from rest and accelerates at 1 m/s2 for 2
seconds. He then continues at a constant velocity for 10
seconds until he sees a tree blocking the road and applies
brakes. The car, decelerating at 1 m/s2, finally comes to rest.
Which of the following graphs represents the motion
correctly?
v (m/s)
v
10
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
v (m/s)
8
6
v
v
4
2
5
10
15
20
25
30
35
40
t (s)
5
10
15
t
A
20
25 t (s)
38
36
34
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
v (m/s)
5
10
15
20
25
t
B
30
35 t (s)
t
C
20 seconds
The change in velocity during a measurable time
interval, divided by the time interval, is the
_____.
A.
B.
C.
D.
instantaneous velocity
average velocity
instantaneous acceleration
average acceleration
30 seconds
Which formula represents the final velocity
of an object that is accelerating?
A. vi = vf + aΔt
B. vf = vi ∙ aΔt
C. vf = vi - aΔt
D. vf = vi + aΔt
10 seconds
The acceleration due to Earth’s gravity
is:
A. 9.8 m/s2
B. 98 m/s2
C. 9.8 ft/s2
D. 9.8 mi/s2
60 seconds
Which of the following system of forces
provides the block the highest net force?
A.
11 N
B.
405 N
71 N
C.
403 N
D.
227 N
22.7 N
173 N
15.3 N
20 seconds
In a force diagram, the force arrows always
point _____.
A.
B.
C.
D.
away from the particle
toward the particle
both toward and away from the particle
at right angles to each other
20 seconds
When the drag force (friction) on an object
falling through the air equals the force of
gravity, the object has reached
A.
B.
C.
D.
terminal force.
terminal acceleration.
terminal illness.
terminal velocity.
20 seconds
“ FA on B = -FB on A” is an expression of
A.
B.
C.
D.
Newton’s first law
Newton’s second law
Newton’s third law
Fig Newton’s law
60 seconds
A weight is hung from the ceiling of an elevator by a
massless string. Under which circumstances will the
tension in the cord be the greatest?
A. The elevator rises with decreasing speed.
B. The elevator rises with increasing speed.
C. The elevator is at rest.
D. The elevator descends with increasing speed.
30 seconds
A weight is hung from the ceiling of an elevator by a
massless string. Under which circumstances will the
tension in the cord be the smallest?
A. The elevator is at rest.
B. The elevator rises with increasing speed.
C. The elevator descends with decreasing speed.
D. The elevator descends with increasing speed.
20 seconds
The resultant between 2 vectors can be
found by placing the vectors
A. tip to tip.
B. tip to tail.
C. tail to tail.
D. tip to midpoint.
25 seconds
A wolf spider runs 75 cm west, then turns and
runs 50 cm south. Which choice gives the
correct solution for the resultant?
A.
B.
C.
D.
R2 = 752 + 502
R2 = 752 + 502 - 2(75)(50) cos 60
R2 = 752 - 502
R2 = 752 - 502 - 2(75)(50) cos 90
25 seconds
The cosine of an angle is
A. the length of the side opposite the angle divided by
the length of the hypotenuse.
B. the length of the side adjacent the angle divided by
the length of the hypotenuse.
C. the length of the side adjacent the angle divided by
the length of the opposite side.
D. the length of the hypotenuse divided by the length
of the side adjacent the angle.
25 seconds
Which law states . . . Objects attract other objects
with a force that is directly proportional to the
product of their masses, and inversely
proportional to the square of the distance
between them.
A) Newton’s 1st Law
C) Newton’s 3rd Law
B) Newton’s 2nd Law D) Newton’s Law of
Universal Gravitation
90 seconds
A 100.0 kg safe is pushed across a floor with a
force of 450 N. The coefficient of kinetic
friction is 0.35. What is the magnitude of the
acceleration of the safe?
A. 1.00 m/s2
B. 1.25 m/s2
C. 5.0 m/s2
D. 12.5 m/s2
20 seconds
A soldier throws a grenade horizontally from
the top of a cliff. Which of the following
curves best describes the path taken by the
grenade?
A. Circle
B. Ellipse
C. Hyperbola
D. Parabola
120 seconds
A stone is thrown horizontally from the top of a
25.00-m cliff. The stone lands at a distance of
40.00 m from the edge of the cliff. What is the
initial horizontal velocity of the stone?
A. 2.260 m/s
B. 15.60 m/s
C. 17.89 m/s
D. 22.05 m/s
120 seconds
A ball is thrown horizontally at 10.0 m/s from
the top of a hill 50.0 m high. How far from the
base of the cliff would the ball hit the ground?
A. 23.6 m
B. 26.4 m
C. 31.6 m
D. 45.0 m
150 seconds
A player kicks a football at an angle of 30.0° above the
horizontal. The football has an initial velocity of 20.0
m/s. Find the horizontal component of the velocity
and the maximum height attained by the football.
A.
B.
C.
D.
17.3 m/s, 17.6 m
17.3 m/s, 5.00 m
10. m/s, 7.40 m
10. m/s, 9.50 m
150 seconds
A cannon launches at a velocity of 30.0 m/s at
an angle of 30.0° to the horizontal. What is
the range of the cannon?
A. 15 m
B. 26.0 m
C. 77.9 m
D. 30 m
Q#
1
2
3
4
5
6
7
8
9
Ans
B
C
C
B
A
B
B
D
D
Q#
10
11
12
13
14
15
16
17
18
Ans
A
A
A
D
C
B
D
B
A
Q#
19
20
21
22
23
24
25
26
Ans
B
D
A
D
C
C
B
C