At room temperature, an oxygen molecule, with mass of 5.31×10–26kg5.31×10-26kg, typically has akinetic energy of about 6.21×10–21J6.21×10-21J. How fast is it moving? How much work must be done to stop

a 1025-kgkg car traveling at 90 km/hkm/h ? During each heartbeat, about 80 gg of blood is pumped into the aorta in approximately 0.2 ss. During thistime, the blood is accelerated from rest to about 1 m/sm/s. What is the average force on the blood during this time? What is the average force on the blood during this time? 400 NN 0.2 NN 0.08 N 0.4 NN