Please help me with physics!?

Posted on 2014-11-20 06:49:00 in Physics by JOSEPH

A dragster maintains a speedometer reading of 100 km/h as it passes around a curve that has a constant radius
1. The dragster rounds the curve with a constant velocity that has a magnitude of 100 km/h.
2. The dragster rounds the curve with a changing velocity that has a changing magnitude.
3. All are wrong.
4. The dragster rounds the curve with a changing velocity that has a magnitude of 100 km/h.
5. The dragster rounds the curve with a changing speed that has a magnitude of 100 km/Already tried #1 and #3, both are wrong.

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