An elevator in an office building completed the following trips:
• Ist floor to 8th floor
• 8th floor to 4th floor
• 4th floor to 13th floor
The distance between each floor of the office building is 3.0 m. which table shows the total distance traveled and displacement of the elevator ?

An athlete swings a ball, connected to the end of a chain, in a horizontal circle. the athlete is able to rotate the ball at the rate of 8.13 rev/s when the length of the chain is 0.600 m. when he increases the length to 0.900 m, he is able to rotate the ball only 6.04 rev/s. (a) which rate of rotation gives the greater speed for the ball? 6.04 rev/s 8.13 rev/s (b) what is the centripetal acceleration of the ball at 8.13 rev/s? m/s2 (c) what is the centripetal acceleration at 6.04 rev/s? m/s2