Which one is a unit vector ??
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In the nucleus of uranium, the number of neutrons will be ??
An angle between two vectors A and B can be determined by ??
During fusion of hydrogen into helium ??
The magnitude of the cross product is equal to the dot product between them. The angle between the two vectors is ??
One AMU is equal to ??
Torque is defined as ??
For chain reaction to build up the size of the radioactive target should be ??
The dimension of torque is ??
The diameter of an atom is approximate??
Antimatter consists of ??