Rods P and Q are at rest in an inertial reference frame and oriented as shown. B

Question

Rods P and Q are at rest in an inertial reference frame and oriented as shown. Both rods have length L in this reference frame. A person moves at a relativistic speed v in the positive y direction. x y Q L P L O What lengths would be observed for these rods by the person? Q P 1. Less than L Greater than L 2. Less than L L 3. L Less than L 4. Greater than L Less than L 5. Less than L Less than L

008 10.0 points Rods P and Q are at rest in an inertial reference frame and oriented as shown. Both rods have length L in this reference frame. A person moves at a relativistic speed v in the positive y direction. KH-> - L What lengths would be observed for these rods by the person? Q P 1. Less than L Greater than L 2. Less than L L 3. L Less than 4. Greater than L Less than L 5. Less than L Less than L

Explanation / Answer

The dimension along the motion of the observer will change (lengt contraction).Since observer is moving in y axis Q length will be less than L while P length will remain the same as seen by the observer.So 2 is the answer.

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