3. Vectors
Unit Vectors
3. Vectors Unit Vectors
5PRACTICE PROBLEM
An object starts from the origin; determine how the position of the object varies with time at (i) t = 3s and (ii) t = 8s. Its position changes over time according to the equation r = (3î + 2ĵ )t² m, where 3 and 2 are constants and the time is measured in seconds.
An object starts from the origin; determine how the position of the object varies with time at (i) t = 3s and (ii) t = 8s. Its position changes over time according to the equation r = (3î + 2ĵ )t² m, where 3 and 2 are constants and the time is measured in seconds.