Which answer best explains the key point of the following image with regard to valence electrons?

Find the normal component of acceleration, , of the object whose position is given by . Enter the value of at , rounded to two decimal places.

Find the tangential component of acceleration, , of the object whose position is given by . Enter the value of at , rounded to two decimal places.  

WARNING: The position function you were working with in the previous questions is changing! For the following 5 questions, let 

For the next five questions, let

The vector equations

Find the unit tangent vector, , for the given . Choose the answer below which gives .

Find the velocity of the object whose position is given by . Enter the value of the component below when . Round your answer to two decimal places.

A PTA assesses the functional strength of a patient’s hip extensors when observing the patient ascending stairs. What type of contraction occurs in the hip extensors during this activity?

Alicia is a 7 year old with severe tetraplegia, CP. She is non-ambulatory and completely dependent on her caregivers for ADL’s and has very little active movement. She has spasticity in many flexor groups and personal care/hygiene is becoming very difficult. She may be a good candidate for which spasticity management approach?