I am so confused okay heres the question for my hw"You are looking in a scientists lab notebook and find the following unlabeled measurements. in each case, determine what physical quantity the scientist was measuring"1. 12.1 m/s2. 31.2 ft southwest3. 14 mm/h west4. 4.5 yd/min northplease help!!

Will you chech and finish these for me, because i am stumped with them.

Will give brainliest! which statement best describes the difference between strong nuclear forces and weak nuclear forces? weak nuclear forces are involved when certain types of atoms break down. strong nuclear forces are responsible for holding atoms' nucleus together. weak nuclear forces hold bonds between atoms together. strong nuclear forces hold together the nucleus of an atom. strong nuclear bonds prevent atoms from falling apart. weak nuclear bonds prevent compounds from falling apart. strong nuclear forces are involved in breaking electrons from their shells. weak nuclear forces hold protons in the nucleus.

Which of these is constant for all types of electromagnetic radiation in a vacuum? select one: a. wavelength b. frequency c. photon energy d. amplitude e. velocity