In brane-world theory, there are more _______ than we are accustomed to.
A. strings
B. gluons
C. monopoles
D. dimensions
E. leptons
D. dimensions
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Two bodies revolve around their common center of mass, the balance point of the system
Indicate whether the statement is true or false
Briefly describe Sagittarius A*
What will be an ideal response?
A 2.0-kg block sliding on a horizontal frictionless surface is attached to one end of a horizontal spring (k = 200 N/m) which has its other end fixed. If the block has a speed of 4.0 m/s as it passes through the equilibrium position, what is its speed when it is 20 cm from the equilibrium position?
a. 2.6 m/s b. 3.1 m/s c. 3.5 m/s d. 1.9 m/s e. 2.3 m/s
To change the fundamental frequency of a guitar string, you can
A. strum it over the sound hole. B. do nothing short of using a completely different guitar. C. use something other than a pick. D. make it shorter, by pressing a finger of your left hand on the string.