during each heartbeat, about 80 g of blood is pumped into the aorta in approximately 0.20 s. during this time, the blood is accelerated from rest to about 1.0 cm/s. what is the average net force on the blood during this time?

Afour-year college’s application process takes into account all of the following except

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?

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.