Which of the following describes a potential problem with case studies? They generally involve too few participants to allow meaningful conclusions. They generally involve too many participants to allow meaningful conclusions. They are generally conducted by people who are untrained in scientific observation. They are generally biased due to the patient’s awareness of their illness.

the entire statement is true and correct.  

there's no diagram, nothing is illustrated, and no question is asked.

jupiter is the largest planet in our solar system, having a mass and radius that are respectively, 318 and 11.2 times that of earth. suppose that an object falls from rest near the surface of each planet and that the acceleration due to gravity remains constant during the fall. each object falls the same distance before striking the ground. determine the ratio of the time of fall on jupiter to that on earth.

the tires are rotating at 0.434 rpmlinear speed=45 m/sdiameter=0.550 mradius=0.275 mnow v= rωω= v/rω=45/0.275ω=163.6 rad/sω=163.6 rad/s (1rev/2π rad) (60s/1m)ω=1563 rpm