Note: The two pucks are completely identical, so that they have the same mass as

Question

Note:

The two pucks are completely identical, so that they have the same mass as well as the same diameter.

AEdgd 86 woman a 0 MW LL Two hockey pucks are located on a frictionless as shen horizontal surface, and have tiedzia . velocities , = 48 mls > > Y= 4.7 mls that the magnitudes are inherent .) (2) Find their relative the collide, draws a diagro in showing the positions when foe pucks five of draw and label the "n" and "" axes at two went impact; () Find the pucks' velocities after , assuming first 0. compact e = 92, Express the final answers as magnitudes and directions w, Let, either the x as the (Nf directions.

Explanation / Answer

b)

For Puck we write

X-Components of velocities and conservation of momentum

m1v1x+0 = (m1+m2)vx

vx = v1x/2 = 4.8/1 = 2.4 m/s

Y-Components of velocities and conservation of momentum

0+m2vy = (m1+m2)Vy

Vy = vy/2 = 4.9/2 = 2.45 m/s

V = sqrt(vx^2+Vy^2) = 3.42 m/s

Direction = tan inverse ( 2.45/2.4) = 45.59 degrees with X Axis

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