Question

Which situations might cause two observers (A and B) to measure different frequencies for the same vibrating object? Select the two correct answers. (2 points) Responses Observer A and Observer B are moving at different speeds relative to each other. Observer A and Observer B are moving at different speeds relative to each other. Observer A is stationary and Observer B is moving. Observer A is stationary and Observer B is moving. Observer A and Observer B are stationary but at different distances from the vibrating object. Observer A and Observer B are stationary but at different distances from the vibrating object. Observer A and Observer B are both stationary and at the same distance from the object.

Answer 1

1. Observer A and Observer B are moving at different speeds relative to each other.
3. Observer A is stationary and Observer B is moving.