Answer:
D. Large numbers of stars are undergoing blue-shift.
Explanation:
The Milky Way is changing because a large numbers of stars are undergoing blue-shift.
5(2)+5(7)
5(2)+5(7)=10+35=45
Gravitational force is stronger
a) , b)
a) The final velocity of the 13.5 g coin is found by the Principle of Momentum Conservation:
The final velocity is:
b) The change in the kinetic energy of the 13.5 g coin is: