Practice for Midterm 1
Name____________________Student No.______________________
Honor Plede: I have neither given nor received aid on this examination.
DATE__________SIGNATURE_______________
The midterm will consists of about
ten (I put 13 here for practice)
problems. The
number of points awarded for the right answer is indicated in parenthesis next to the
problem.
Partial credit will be given for partially correct answers.
Show all work.
Good luck!!
You may find the following data useful:
Acceleration due to gravity:
g = 9.80m/s
2
Volume of a cylinder:
V =
π⋅
r
2
⋅
h
1.
The standard kilogram is a platinumiridium cylinder 3.9 cm in height and 3.9 cm
in diameter
(a)
What is the density of the material?
(b)
How much would a steel cylinder with the same dimensions weigh?
(density of steel:
ρ
= 7.56 g/cm
3
)
(6 points)
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
2.
A bullet is fired through a board, 0.14 m thick.
If it enters with a speed of 450 m/s
and emerges with a speed of 220 m/s.
What is the bullet's (constant) acceleration as
it passes through the board?
This is the end of the preview.
Sign up
to
access the rest of the document.
 Spring '10
 garcia
 Physics, Friction, Mass

Click to edit the document details