What is the direction of 
at point Q?
A. A
B. B
C. C
D. D
E. E
F. F
T. Zero
C. C
You might also like to view...
An artificial satellite in a low orbit circles the earth every 98 minutes. What is its angular speed in rad/s?
What will be an ideal response?
What's a decay chain?
a. a nuclear chain reaction b. one radioisotope decaying into another, which decays into another, and so on c. the triggering of multiple fissions by a single neutron d. none of the above
If an object isn't moving, no external forces act on it
1.True 2.False
What is the "chicken-and-egg" type problem we face when trying to decide which came first–proteins or nucleic acids?
A) proteins and nucleic acids probably looked very different before the origin of life B) nucleic acids cannot replicate without proteins, and proteins cannot be made without nucleic acids C) early proteins and nucleic acids were very similar to each other D) proteins and nucleic acids are always present together at the same time