When viewing a scene on a dvd in frame-by-frame mode, how can you tell if an object in the frame is moving?

you dont have to explain just answer. greatly appreciated if answer asap.
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Time remainin52: 42the chart shows data for a moving object.which conclusion is best supported by the information inthe chart? time (s)velocity (m/s

What is a carrier wave and how does it affect what you hear on the radio

In a classical model of the hydrogen atom, the electron moves around the proton in a circular orbit of radius 0.053 nm. what is the electron's orbital frequency? what is the effective current of the electron?