Question 10 of 10 Which expression correctly describes force using Sl units?
A. 1 N = 1 kg m/s2
B. 1 N = 1 kg. m/s
O C. 1 J = 1 kg. m/s2
O D. 1 J = 1 kg-m/s
SUBMIT

2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.

The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g

Which of the following is a measure of the amount of light a star directly emits?               a.  luminosity    b.  intensity    c.  wavelength    d.  brightness