9A Homework #1 due on Monday Oct. 13
1) MasteringPhysics HW1
and write-up your solutions to the following two problems and turn them in at lecture on the 13th.
2) The UCD Skydiving Club has asked you to plan a stunt for an air show. In this stunt, two sky
9A Homework #2 due on Monday Oct. 20
a) Sketch a coordinate system on the picture to the right and then draw and label a position vector for
each of the points A through F.
b) Sketch a coordinate system on the picture to the r
9A Homework #4 due on Monday Nov. 3
1) MasteringPhysics HW4
and write-up your solutions to the following two problems and turn them in at lecture on the 3rd.
2) In order to raise money for a scholarship fund, you have managed to convince your physics
9A Homework #3 due on Monday Oct. 27
1) MasteringPhysics HW3
and write-up your solutions to the following three problems and turn them in at lecture on the 27th.
Some types of forces are called Conservative
In each of the following 2 calculations, be very
9A Homework #6 due on Monday Nov. 17
1) MasteringPhysics HW6
and write-up your solutions to the following two problems and turn them in at lecture on the 17th.
2) Hold the blocks up
The picture to the right shows two fingers holding up three
9A Homework #5 due on Monday Nov. 10
1) MasteringPhysics HW5
and write-up your solution to the following problem and turn it in at lecture on the 10th.
2) Rolling Yo-Yo
A Yo-Yo is basically two disks on an axle with string wrapped around the axle. The pic
g = 9.80 m
scalar product : A B = Ax Bx + Ay By + Az Bz = A B cos
vector product : A B = Ay Bz Az By i + ( Az Bx Ax Bz ) j + Ax By Ay Bx k
r = x i + y j + z k = r r