Acar starts from rest at a stop light and reaches 20m/s in 3.5s. determine the acceleration of the car

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s.what is the wavelength?

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