Question 4 of 15
2 points
spaceship 1 and spaceship 2 have equal masses of 150 kg. spaceship 1 has
an initial momentum magnitude of 900 kg-m/s. what is its initial speed?
o
o
o
a. 60 m/s
b. 6 m/s
c. 90 m/s
o
d. 9 m/s

Which statement describes the formation of our sun? a disk formed of long trails of stars coiled into a spiral. it formed an elliptical flattened disk. heat and gases contracted within a nebula. gravity pushed stars away from a center core.