Q:

- 18A scientist rolls two balls A and B down two different ramps. Ball A rolls 4 meters in the 1st second, 9 meters in the 2nd second, 14meters in the 3rd second, and so on. Ball B rolls 3.5 meters in the 1st second, 6.5 meters in the 2nd second, 9.5 meters in the 3rdsecond, and so on. How many meters would each ball roll in 10 seconds?Select onea. A: 49 m: B: 305 mb. A: 54 m; B: 33.5 mCA: 59 m: B: 36.5 md. A: 85 m: B: 72 m

Accepted Solution

A:
Answer:a.  A.  49m  B 30.5 mStep-by-step explanation:If I have understood the question correctly:Ball A:After each second the total distance travelled increases by 5 meters.Ball A: after 10 seconds it has rolled 4 + (10-1) * 5 = 49m Ball B:  after 10 seconds it has rolled 3.5 + (10-1)* 3 =  30.5 m.