### HW question

Posted:

**Thu Oct 24, 2019 1:38 pm**1B.27 states: A bowling ball of mass 8 kg is rolled down a bowling alley lane at 5.00+/-5.00 m.s^-1. What is the minimum uncertainty in its position.

I understand how to solve this problem using Heisenberg's uncertainty equation, but I don't understand why delta V is 5.00 m.s^-1. Shouldn't it be 10 m.s^-1 since 5.00 m.s^-1 x 2 = 10 m.s^-1?

I understand how to solve this problem using Heisenberg's uncertainty equation, but I don't understand why delta V is 5.00 m.s^-1. Shouldn't it be 10 m.s^-1 since 5.00 m.s^-1 x 2 = 10 m.s^-1?