Phys 124 Assignment # 3
Solutions
Chapter 4
42.
REASONING AND SOLUTION The apparent weight is
FN = mw(g + a)
We need to find the acceleration a. Let T represent the force applied by the
hoisting cable. Newton's second law applied to the elevator gives
T (

Student Name: ANSWER KEY Course:
Section:
Instructor:
E RROR AND G RAPHICAL A NALYSIS W ORKSHEET
Instructions:
For each section of this assignment, first read the relevant section in the Yellow Pages of your Lab Manual.
All rough work should be done on se

Phys 124 Assignment # 2
Solutions
Chapter 2
36. REASONING The players collide when they have the same x coordinate relative to a common
origin. For convenience, we will place the origin at the starting point of the first player. From
Equation 2.8, the x c

Physics 107 HOMEWORK ASSIGNMENT #3
Cutnell & Johnson, 7th edition
Chapter 3: Question 12, Problems 34, 44, 56
Chapter 4: Problem 8
12 Two balls are launched upward from the same spot at different angles with respect to the
ground. Both balls rise to the s