A physics professor places a soda pop can on the table and asks a student to identify the forces acting upon the can and the directions of each force. The two forces acting on the soda pop can are
A. the weight force upward and normal force from the table upward.
B. the weight force downward and normal force from the table upward.
C. the weight force upward and normal force from the table downward.
D. the weight force downward and normal force from the table downward.
Answer: B
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A 1.5-kg object has a velocity of 
m/s at t = 0. It is accelerated at a constant rate for five seconds after which it has a velocity of 
m/s. What is the magnitude of the resultant force acting on the object during this time interval?
A. 3.8 N B. 3.2 N C. 2.8 N D. 4.3 N E. 4.6 N
What is the evidence that suggests planetary systems are common in the universe?
What will be an ideal response?
Molar Specific Heats: For an ideal gas,
A. 
= 1 for all ideal gases.
B. 
< 1 for all monatomic and diatomic gases.
C. 
> 1 for all monatomic and diatomic gases.
D. 
< 1 only for a monatomic gas.
E. 
< 1 only for a diatomic gas.
Suppose you want to set up a simple pendulum with a period of 0.250 s
(a) What length is required if g = 9.80 m/s2 on Earth? (b) What length would be required on the moon assuming g is 6 (assume exact) times LESS than on Earth?