The length of the arrow representing an object's four-momentum on an energy-momentum diagram is directly proportional to
A) The four-momentum's four-magnitude $|p|$.
B) The relativistic momentum's magnitude $|\vec{p}|$.
C) The object's mass.
D) The object's speed.
E) The object's inverse speed.
F) None of the above.

Question

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The Answer of The length of the arrow representing an object's four-momentum on an energy-momentum diagram is directly proportional to
A) The four-momentum's four-magnitude $|p|$.
B) The relativistic momentum's magnitude $|\vec{p}|$.
C) The object's mass.
D) The object's speed.
E) The object's inverse speed.
F) None of the above.

The Length of the Arrow Representing an Object's Four-Momentum on an Energy-Momentum