Which of the following is NOT one of the normal types of galaxies?
A) Normal spirals
B) Barrel spirals
C) Seyfert spirals
D) Irregular type II
E) Dwarf ellipticals
C
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The direction of an electric field is from higher to lower potential
Indicate whether the statement is true or false
One horsepower is the same as
a) 550 foot-pounds/second. b) 746 watts. c) 746 newton-meters/second. d) all of the above.
The acceleration of a ball as it rolls down a ramp is 4 m/s2 . The ball is referred to 2 s after it starts to roll. The acceleration after starting from rest is 8 m/s2
Indicate whether the statement is true or false
What would happen to Jupiter if we could somehow double its mass?
A) Its density would increase, but its diameter would barely change. B) Its density would decrease and its diameter would double. C) Its density would stay about the same and its volume would double. D) It would become a star, with nuclear fusion in its core.