Ph1a Homework Solution 5
Fall 2013
Each homework problem is worth 5 points. Please disregard the point values listed on the problem itself.
Use these instead.
5.1
5.1.a
QP15 (5 points)
(1 point)
Conserving momentum gives:
pi = M v0 = (2M )vf = pf
v0
vf =
Ph1a 2013 Fall Quiz 1 Solution
October 18, 2013
1 Question 1
1.1 (a) 1 point
From the question we know that
1
tdown = tup
3
(1)
Since my speed relative to the escalator is always vr , the total speed (relative to the
ground) going down will be vr + ve and
So, for satellites orbiting earth
Altitude
R
T
So, for satellites orbiting earth
Altitude
ISS
R
T
360 km
6740 km
92 min
ISS
DIAGRAM TO SCALE
So, for satellites orbiting earth
Altitude
ISS
Geosync.
ISS
R
T
360 km
35,786 km
6740 km
42,164 km
92 min
1 day
ge
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Bay of Fundy tides
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Tacoma Narrows Bridge
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Tacoma Narrows Bridge
clickable
Series circuit with a resistor,
inductor, and capacitor
Same differential equation.
(Example: radio receiver)
SHORTANSWER.Writethewordorphrasethatbestcompleteseachstatementoranswersthequestion.
17) Light
of wavelength 519 nm passes through two slits. In the interference pattern
on a screen 4.6 m away, adjacent bright fringes are separated by 5.2 mm in the
general
37) An
optical system comprises in turn, from left to right: an observer, a lens of focal
length +30 cm, an erect object 20 mm high, and a convex mirror of radius 80 cm. The
object is between the lens and the mirror, 20 cm from the lens and 50 cm from the
Ph1a Homework Solution 3
Fall 2013
Each homework problem is worth 5 points. Please disregard the point values listed on the problem itself.
Use these instead.
3.1
3.1.a
Frautschi 7.17 (5 points)
(1.5 point)
Let the tension at the lowest point be Tb , and
Ph1a Homework Solution 2
Fall 2013
Each homework problem is worth 5 points. Please disregard the point values listed on the problem itself.
Use these instead.
2.1
Frautschi 6.22 (5 points)
2.1.a
(1 points)
2.1.b
(1 points)
The resultant of the two forces
Ph1a Homework Solution 1
Fall 2013
Each homework problem is worth 5 points. Please disregard the point values listed on the problem itself.
Use these instead.
1.1
1.1.a
Frautschi 3.10 (5 points)
(5 point)
We will rst derive the time analytically, then sub
Physics 1a, Fall 2013
Quiz 3 Solutions
Problem 1
(a) (2 Point)
To solve this problem you need to know the formula of the moment of inertia for a disk and the
parallel-axis theorem.
(1) The moment of inertia of a disk is Idisk = r2 dm. The innitesimal elem
Ph1a Homework Solution 6
Fall 2013
Each homework problem is worth 5 points. Please disregard the point values listed on the problem itself.
Use these instead.
6.1
6.1.a
Frautschi Chap. 14 problem 7 (5 points)
(2 points)
The moment of inertia with respect
Ph1a Homework Solution 4
Fall 2013
Each homework problem is worth 5 points. Please disregard the point values listed on the problem itself.
Use these instead.
4.1
4.1.a
Frautschi 10.21 (5 points)
(5 points)
Suppose the child leaves the mound at some angle
MULTIPLECHOICE.Choosetheonealternativethatbestcompletesthestatementoranswersthequestion.
70) The
focal lengths of the objective and eyepiece in a compound microscope are 0.80 cm
and 2.5 cm, respectively. The image formed by the objective is 16 cm from it