Multiple Choice
A helium atom (mass = 4m) moving with speed 
collides elastically with a deuterium (hydrogen 2 ) atom (mass = 2m) at rest.Calculate the percentage change in the kinetic energy of the helium atom after the collision.
A) 11%
B) 36%
C) 50%
D) 64%
E) 89%
Correct Answer:
Verified
Correct Answer:
Verified
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