What would be the angular diameter of the milky way as seen by an alien astronomer in the virgo cluster at a distance of 18 mpc? (note: the diameter of the mikly way is 30 kpc.)
a = arc minutes

What was the purpose of the apollo program? to put a man in orbit to launch a spy satellite to launch a space station to put man on the moon

Six pendulums of mass mand length las shown are released from rest at the same angle theta from vertical. rank the pendulums according to the numberof complete cycles of motion each pendulum goes through perminute. a. l= 1m m=2kg b. l= 4m m=1 kg c. l= 2 m m= 2 kg d. l= 1 m m= 4 kg e. l= 2 m m = 4 kg f. l= 4m m = 4kg

Failure to accomplish erikson’s psychosocial task of late adulthood leads to despair. a. true b. false