Wednesday

August 20, 2014

August 20, 2014

Posted by **Yulka** on Wednesday, September 2, 2009 at 8:17pm.

1

A runner dashes from the starting line (x = 0) to a point 130 m away and then turns around and runs to a point 11 m away from the starting point in 21 seconds. To the nearest tenth of a m/s what is the average speed?

2

What is the runner's average velocity in the previous problem?

3

A car accelerates at a constant rate from zero to 32.6 m/s in 10 seconds and then slows to 14.8 m/s in 5 seconds. What is its average acceleration to the nearest tenth of a m/s2 during the 15 seconds

**Related Questions**

Please Help, Physics - 1 A runner dashes from the starting line (x = 0) to a ...

physics - A runner dashes from the starting line (x=0) to a point 134 m away and...

physics - A runner dashes from the starting line (x = 0) to a point 80 m away ...

physics - A runner dashes from the starting line (x = 0) to a point 127 m away ...

physics - A runner dashes from the starting line (x = 0) to a point 84 m away ...

physics - A runner dashes from the starting line (x = 0) to a point 91 m away ...

physics - A runner dashes from the starting line (x=0) to a point 108 m away and...

physics - A runner dashes from the starting line (x = 0) to a point 125 m away ...

physics - A runner dashes from the starting line (x = 0) to a point 108 m away ...

Math - Runner A crosses the starting line of a marathon and runs at an average ...