Large interstellar clouds can collapse to form several stars approximately at the same time.
Answer the following statement true (T) or false (F)
True
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The density of aluminum is 2700 kg/m3. If transverse waves propagate at in a aluminum wire, what is the tension on the wire?
A) 52 N B) 31 N C) 42 N D) 62 N
The formation of a galactic central bulge is believed to ____
a. be a slow steady process lasting billions of years b. start after the formation of spiral arms c. be a violent process which adds mass to the central black hole d. begin when the central black hole has reached mature size e. continue throughout the galaxy's life body
Originally 2.00 mol of gas are at standard temperature and pressure If the temperature changes to 47.0°C and the pressure decreases to half of what it was, how many liters do the two moles now occupy? (1 atm = 101 kPa, R = 8.31 J/mol ? K)
What will be an ideal response?
A particle whose mass is 2 kg moves in the xy plane with a constant speed of 3 m/s along the direction 
. What is its angular momentum (in kg?m2/s) relative to the origin?
A.
B.
C.
D.
E.