Ph150 Assignment #5
Name: _
1. While shopping in Eaton Centre, you take the escalator down to the main floor. Draw
your free-body diagram while on the escalator. Is the work done by each force acting
on you positive, negative, or zero?
2. Pat is having a
1
Physics 150 Review
The content of Physics 150 or an equivalent course may differ slightly at each institution but it
is generally expected that students incoming to Technology have a good grasp in the following
areas:
1. Basic Skills: Numbers & Accuracy
Block stacking problem
Gilles Cazelais
Suppose we have a stack of n identical blocks of unit length and we try to balance them on the edge
of a table. What is the largest possible oset distance from the tables edge?
Let dn be the maximum oset distance of
Ph150 Exercise #1
Significant figures 1. State the number of sigfigs in each of the following: a. 1.234 d. 0.03 b. 10.05 e. 423 000.0 c. 506 000 f. 6.402 0 2. Round off the following to three sigfigs: a. 10.35 b. 560 721 c. 0.003 141 592 6 d. 123.49 e. 42
Ph150 - Exercise #5
Vectors: A = 4.0 N to the right, on the horizontal B = 2.0 N up C = 3.0 N to the right at 30 above the horizontal D = 6.0 N to the left, on the horizontal Calculate the following vector quantities. Some may be calculated directly, or y
Ph150 Assignment #4
Name: _
1. A ball is thrown vertically upward from the edge of a cliff above the ocean. It strikes
the water 3.5 s after being thrown. Just before it hits the water, it has a speed of
24 m/s.
a) What is the balls initial velocity?
b) U
Ph150 Assignment #1
Name: _
1. State the number of significant figures in each of the following:
a. 2.90
_
d. 1.05 10-8
_
b. 37 600
_
e. 0.00100
_
c. 0.0034
_
f. 4.070
_
2. Round off the following to three significant figures:
a. 356.38
_
d. 9.9999
_
b. 0
Ph150 Assignment #3
Name: _
1. Tyler travels at 65 km/h eastwards for 3.0 hours and then 95 km/h west for 5.0 hours.
Determine Tylers final displacement, distance traveled, average speed, and average
velocity.
2. Angela accelerates due north in her dragst
Ph150 Assignment #2
Name: _
1. Perform the following unit conversions:
a) 3.5 106 cm/minute SI base units
b) 2.9 10-3 g/mm SI base units
c) 3600 kg/m3 g/cm3
d) 24 km/h cm/s
2. Which of the following are vectors or scalars? Write V for vector, S for scalar