okmarks Window Help saplinglearning.com Kansas State University- PHYS 113 Fal18-

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okmarks Window Help saplinglearning.com Kansas State University- PHYS 113 Fal18-HORTON-SMITH: HW: Linear M Jamie Wa University Physics Map presenbed by Sapling Leaming The mass of a particular eagle is twice that of a hunted pigeon. Suppose the pigeon is flying north at 17.1 m's, when the eagle swoops down, grabs the pigeon, and flies off. At the instant right before the attack, the eagle is flying toward the pigeon at an angle 6 47.1" below the horizontal, and a speed of 37.7 ms Poi Gra Des Poli What is the speod of the eagie immediately ater it catches its prey? You assi You 37.7 m/s You i What is the ude of the measured trom 17. m horizontal, at which the eagle is hying immedialdely after the strike? Number OeTe -38.9 O Helg O web Previous Check Ansa Next Ex O Tech about us careers privacy policy tes of use contact ushelp 1,381 28

Explanation / Answer

Writing the velocities in vector form.

_              _              _
r = rcos i + rsin j

Up = 17.1 i

Ue = 25.66 i - 27.62 j

Using law of conservation of momentum

m1u1 + m2u2 = (m1+m2)v ... as both masses combine after meeting

17.1 i + 2(25.66 i - 27.62 j) = 3(v)

v = 22.81 i - 18.41 j

R2 = Rx2 + Ry2

v^2 = 859.22
v = 29.31 m/s

tan= Ry/Rx = 18.41/22.81 = 0.807

= 38.91 deg

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