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Physics MRI!! PLEASE help.

No problem. (:
- earthling
- Post #6
- May 12, 2012
- Forum: A-Levels
Physics MRI!! PLEASE help.

The first one (larger one) is uniform. The second one isn't. Go through the points from ms.
- earthling
- Post #4
- May 12, 2012
- Forum: A-Levels
Physics MRI!! PLEASE help.

The magnetic field causes all the hydrogen nuclei within the person to precess with the same Larmor frequency. In order that the hydrogen nuclei in only one small part of the body may be detected, a non-uniform magnetic field is also applied across the patient. Radio-frequency (RF) pulses are...
- earthling
- Post #2
- May 12, 2012
- Forum: A-Levels
Physics A2...circular motion?

What happens to the speed of the satellite when it moves to an orbit that is closer to the earth? i.e. it's radius is decreased?
- earthling
- Thread
- May 12, 2012
- Replies: 5
- Forum: A-Levels

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