Ahockey stick strikes a hockey puck of mass 0.17 kg. if the force exerted on the hockey puck is 35.0 n and there is a force of friction of 2.7 n opposing the
motion, what is the acceleration of the hockey puck?

Which of the following statements is true regarding a basic amino acid? a.) the hydrophilic r group of a basic amino acid will be located on the interior of a protein b.) the positively charged r group of a basic amino acid could bind dna c.) the r group of a basic amino acid would only be able to form covalent bonds with other molecules d.) a basic amino acid would be considered both polar and hydrophobic e.) all of the above