Energy
I We can now expand our idea of energy
to include more forms:
1. Coherent energy of motion (kinetic)
of the center of mass of an object: 1/2 W
2. Coherent energy of location relative to other
objects (potential) of the center of mass.
3. Incoher
NAME
PART A. (5% each) Each question is worth 5%. In the space provided, to the left of the question
number, write the letter corresponding to the best answer to the question.
_E_Al) The largest number of beats per second will be heard from which pair o
A
Problem 1
The sign of the acceleration ax (1) response for the
x(t) graph to the right is:
(a) Negative. (c) Zero.
(b) Positive. (d) Cant tell from
this graph.
B
Problem 1
The sign of the acceleration ax (1) response for the
x0) graph to the right is:
[1.] This problem has ve multiple choice questions. Circle the best answers.
[1A.] A uniform density sphere has a moment of inertia of I = gMRZ. A second sphere is
composed of the same uniform density material but it has twice the radius. What is the
rati