Name
Date
Subject
Solutions
Dec 8
Addition
Dec 13
Problem 2: some more explanation for x.
Correction
Dec 13
Problem 3d: missing factors of 1/2, now put back in.
Correction
Dec 13
Problem 4c: the graph for omega, for the first time regime
Not due
Correction
Dec 2
Problem 5, line 4: sliding friction = mu n (no arrown on top of n).
Nov 23
Nov 23
Minor changes
Nov 17
Prob 3,5: short comments. Prob 4: damping term → damping terms.
Nov 16
Nov 16
Typo correction
Nov 22
Page 15 of sols, 14 lines from the bottom: 1/2 → 2 (thanks, J!).
Typo correction
Nov 22
Page 15 of sols, at the bottom: partial theta → partial z (thanks, J!).
Removal
Nov 15
Problem 2(c): the last two sentences regarding the gravity.
Change
Nov 7
Page 1, 10th line from bottom: “its rest position” → “a fixed point.”
Nov 4
Correction
Nov 5
Problem 5: the correct sign of Phi and missing G put back (thanks, M!).
Oct 31
N/A (read exam)
Removal
Nov 2
Problem 8.
Correction
Nov 1
Problem 7 (d): H = T + V → H = K + V.
Oct 29
Included
Correction
Nov 1
(b): f(t) was missing F0, which is now included.
Nov 2
Notice
Oct 28
Please check the diagrams posted in the “forums” section of ecommons.
Typo cor.
Oct 28
The last problem: “commutator” and “Mechanics.”
Addition
Oct 27
Problem 3: second sentence added (gravitational field g).
Correction
Oct 26
The heading: “Homework 4” → “Homework 5.”
Oct 21
Included
Oct 28
Oct 19
Included
Oct 19
Oct 12
Included
Oct 12
Clarification
Oct 9
Prob. 5(b): Wordings were changed a bit, to emphasize the physical nature of
the circular motion.
Addition
Oct 8
Prob. 5: Diagram added.
Notation
Oct 8
Prob. 1: Added a note about the notation (t, x, etc).
Oct 5
Correction
Oct 8
Solutions, prob. 7(i) (page 9, bottom and page 10, top): Definition of λ missing
a factor of 0.5. So, the 2nd term in the answer should be divided by 2.
Subtraction
Oct 1
Prob. 5(c)(ii,iii,iv): for extra credit only. (5(c)(i), still required.)
Answer for 5(d) can still be checked against the exact answer (read 5(e)).
Addition
Sep 30
Prob. 3: Line just above the figure, added more info on Newton's laws (rotational).
Correction
Sep 30
Prob. 6: 2nd line: In the limit → In the limits
Clarification
Sep 29
Prob. 5: Added clarification for the direction of the air resistance (2nd sentence).
Correction
Sep 28
Correction in Prob. 6: (a) a v → (a) α v.
Included
 
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