During each heartbeat, about 80 g of blood is pumped into the aorta in approximately 0. 2 s. During this time, the blood is accelerated from rest to about 1 m/s. What is the average force on the blood during this time?.

17 a tourist was planning a trip by car for travelling at some constant speed for 2.5 hours. however, he found that if he increases the speed by 20 km/h he can cover the same distance in 30 minutes less time than it was planned. what was the planned speed of the tourist, in km/h?

Balanced rock sits on a thin spike of rock in a canyon what forces keep the rock balanced on its tiny pedestal

El año pasado fuimos a guatemala y nos en el hotel amanecer.