6. An object is thrown downward with an initial (t = 0) speed of 10 m/s from a height of 60 m above the
ground. At the same instant (t = 0), a second object is propelled vertically upward from ground level
with a speed of 40 m/s. At what height above the
Exam 2 Review
Problem 1.
Consider the wire segment below, where current I ﬂows through the straight segment to the
left and then counterclockwise around the semicircular wire, before ﬂowing straight up out of
the page at point c. A constant magnetic ﬁeld
PHYS 204 Written Homework # 2
Problem 1.) Use Gauss law to calculate the electric field both inside and outside a uniformly charged insulating sphere with total net charge Q and radius R. Sketch a plot E vs.
radial distance r of your result. Carefully exp
Physics 112: Calculus Physics II
Laboratory Manual
Spring 2016
Instructor(s): Dr. Leary (W) and Dr. Rousseau (Th)
ii
Physics 112: Calculus Physics II
Laboratory Manual
Spring 2016
Instructor(s): Dr. Leary (W) and Dr. Rousseau (Th)
The College of Wooster
i
Coulomb Balance
MargaretRaabe
Physics Department,
The College ofWooster, Wooster, Ohio 44691,USA
(Dated: February 4, 2011)
A PASCO Coulomb Balance was used to investigate the force between charged objects.
The
balance consists of two identical conducting
Phys 112 Homework # 2 Solutions (Gauss Law Derivations for problem 22.20)
Part 1.) Calculate the electric field outside a charged conducting sphere of radius R and
charge Q:
H
Solution: Gauss Law says E dA = Qencl
for any Gaussian surface. Choosing your
0