An object moving with a speed of 21 m/s and has a kinetic energy of 140 J, what is the mass of the object.

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm

Name the intersection of plane bpq and plane cpq.

The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n