During instruction on parachuting, rookies are told to flex their knees while landing.
Determine the force of impact on an 80. kg parachutist falling at a terminal velocity of 10
m/s who flexes her knees and takes 0.80 s to land. Consider the case where the rookie
does not flex his legs, and stops in 0.050 s. How much force is applied in this case?
Answers: 2
Physics, 21.06.2019 19:30, sophialoperx
Astone dropped into a well is heard to strike the water after 8seconds. find the depth of the well if the velocity of sound is 350m/s
Answers: 1
Physics, 21.06.2019 20:20, jasminelynn135owmyj1
Suppose that a comet that was seen in 563 a. d. by chinese astronomers was spotted again in year 1951. assume the time between observations is the period of the comet and take its eccentricity as 0.986. what are (a) the semimajor axis of the comet's orbit and (b) its greatest distance from the sun?
Answers: 1
Physics, 22.06.2019 16:30, skiddymark3ox93za
Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?
Answers: 2
During instruction on parachuting, rookies are told to flex their knees while landing.
Determine th...
Mathematics, 13.04.2021 02:40
Mathematics, 13.04.2021 02:40
English, 13.04.2021 02:40
Mathematics, 13.04.2021 02:40
Mathematics, 13.04.2021 02:40