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Unformatted text preview: escriptions and/or explanations of
concepts must be correct and include
pertinent ideas, diagrams, calculations,
and formulas. (Record all four digits of your answer in the
numericalresponse section on the answer
sheet.) • Your answers must be presented in a
wellorganized manner using complete
sentences, correct units, and significant
digits where appropriate. Answer: 2413
Record 2413 on the
answer sheet 2413
.. 0 0 0 0 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 5 5 5 5 6 6 6 6 7 7 7 7 8 8 8 8 9 9 9 9 • Relevant scientific, technological, and/or
societal concepts and examples must be
identified and made explicit. Scientific Notation Question and
Solution
The charge on an electron is – a.b × 10 C.
The values of a, b, c, and d are ____, ____,
____, and ____ .
–cd (Record all four digits of your answer in the
numericalresponse section on the answer
sheet.)
Answer: q = – 1.6 × 10 –19 Record 1619 on the
answer sheet C 1619
.. 0 0 0 0 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 5 5 5 5 6 6 6 6 7 7 7 7 8 8 8 8 9 9 9 9 iii Use the following information to answer the first question. 2.4 kg 3.2 m/s 8.4 m/s 9.5 kg The two objects shown above collide headon. The velocity of the 9.5 kg
object after collision is 5.4 m/s to the left.
1. The velocity of the 2.4 kg object after collision is
A.
B.
C.
D. 2. 15 m/s to the right
8.7 m/s to the left
8.0 m/s to the right
6.2 m/s to the left Two carts, each with a spring bumper, collide headon. At one point during the
collision, both carts are at rest for an instant. At that instant, the kinetic energy that
the carts originally possessed is almost completely
A.
B.
C.
D. lost to friction
transformed into heat and sound
converted into kinetic energy in the spring bumpers
converted into potential energy in the spring bumpers 1 Numerical Response
1. A 1 575 kg car, initially travelling at 10.0 m/s, collides with a stationary
2 250 kg car. The bumpers of the two cars become locked together. The speed
of the combined cars immediately after impact is __________m/s.
(Record your threedigit answer in the numericalresponse section on the answer sheet.) 3. A 115 g arrow travelling east at 20 m/s imbeds itself in a 57 g tennis ball
moving north at 42 m/s. The direction of the ballandarrow combination after
impact is
A.
B.
C.
D. 4. 46° N of E
46° E of N
25° E of N
25° N of E In an inelastic collision, the energy that appears to be missing is converted into
A.
B.
C.
D. sound and momentum
force and momentum
sound and heat
heat and force 2 Use the following information to answer the next question.
Force–Time Graph Force (N) Fmax 0 0.05 0.10 0.15 0.20
Time (s) This graph shows the relationship between the force on a 0.801 kg football
and the time a kicker’s foot is in contact with the ball. As a result of the kick,
the football, which was initially at rest, has a final speed of 28.5 m/s. Numerical Response
2. The magnitude of the maximum force, Fmax, exerted on the ball during the
kicking process, expressed in scientific notation, is a.b × 10c N. The values
of a, b, and c are _____ , _____ , a...
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This note was uploaded on 01/14/2014 for the course PHYSICS Physics 30 taught by Professor Quinlan during the Fall '09 term at Centennial High School.
 Fall '09
 Quinlan
 Physics

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