Physics, 22.08.2019 03:00 dashavasilisk
Football player a has a mass of 210 pounds and is running at a rate of 5.0 mi/hr. he collides with player b. player b has a mass of 190 pounds and is running in the same direction at 3.0 mi/hr. which of the following statements is true?
-the momentum of player a is equal to that of player b.
-the momentum of player a is greater than that of player b.
-the momentum of player a is less than that of player b.
Answers: 2
Physics, 22.06.2019 06:00
Suppose water is leaking from a tank through a circular hole of area ah at its bottom. when water leaks through a hole, friction and contraction of the stream near the hole reduce the volume of water leaving the tank per second to cah 2gh , where c (0 < c < 1) is an empirical constant. a tank in the form of a right-circular cone standing on end, vertex down, is leaking water through a circular hole in its bottom. (assume the removed apex of the cone is of negligible height and volume.) (a) suppose the tank is 20 feet high and has radius 8 feet and the circular hole has radius 2 inches. the differential equation governing the height h in feet of water leaking from a tank after t seconds is dh dt = − 5 6h3/2 . if the height of the water is initially 8 feet, how long will it take the tank to empty? (round your answer to two decimal places.)
Answers: 2
Physics, 23.06.2019 00:30
Drag the tiles to the correct boxes to complete the pairs. match the jobs with the education requirements. childcare director clinical psychologist concierge cosmetologist vocational school and state licensure arrowright on-the-job training arrowright a ph.d. with licensure or certification, depending on the state in which you live arrowright a bachelor’s degree in early childhood development arrowright
Answers: 1
Football player a has a mass of 210 pounds and is running at a rate of 5.0 mi/hr. he collides with p...
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