Is it harder to stop a large truck that a small car when both are moving at the same velocity? why or why not?

Alculate the concentration of h3o⁺in a solution that contains 5.5 × 10-5m oh⁻at 25°c. identify the solution as acidic, basic, or neutral.a) 1.8 × 10-10m, basicb) 1.8 × 10-10m, acidicc) 5.5 × 10-10m, neutrald) 9.2 × 10-1m, acidice) 9.2 × 10-1m, basic

An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron

Is of of 3- ? a. 1--3- b. 1--2- c. 1--3- d. of