On a roller coaster when does the car have potential kinetic energy and when is energy transferred?

A1,200 kg car is accelerated at 3.7 m/s2. what force was needed to produce this acceleration? a. 4,440 n b. 324.3 n c. 4,388 n d. 304.3 n

Hat is the most commonly cited cause of occupational injuries in the healthcare sector? a. repositioning of patients b. manual pipetting c. slips and trips d. workplace violence

Which property is expressed in distance units? o a. period o b. wavelength o c. speed o d. frequency