The distance d that a certain particle moves may be calculat…

The distance d that a certain particle moves may be calculated from the expression d = at + bt2 where a and b are constants; and t is the elapsed time. The dimensions of the quantities a and b are, respectively, Note: [L] represents Dimension in Length and  [T] represents Dimension in Time.

Mr. Jones has left sided paralysis. He has no other health p…

Mr. Jones has left sided paralysis. He has no other health problems or limitations. He sits in a wheelchair and is cooperative and alert. You are bringing him back from lunch and he wants to go back to bed. His bed is placed against the wall. How should you position his wheelchair?