Al Azhar university Lama El Banna general physic

1. Physics to Medical Sciences
Quiz1
Instructor: Dr. Hassan Ashour
Time allowed: 15 min
Student Name:
Answer
Q1: Check whether the following equation is correct or not
A student claims that the she found the time period of the simple pendulum,
x
T C
a
=
Where is the time period, is the pendulum’s length, is a dimensionless constant, and is
the acceleration.
Q2: Given tow vectors kjiBandkjiA 232,52 −+=−+−= , obtain the following
1. The scalar product (dot) BA⋅ ,
2. The cross product (vector) BA× ,
3. Find the magnitude of each vector (A and B),
4. The angle between the two vectors .
Bonus
If A×B = A Bg what is the angle between the vectors A and B?
JGood LuckJ