362_Dynamics 11ed Manual

# 362_Dynamics 11ed Manual - v A2 1 m s = v B2 1 m s = A 10...

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Engineering Mechanics - Dynamics Chapter 15 v A1 6 m s = e 0.65 = Solution: Guesses v A2 1 m s = v B2 1 m s = θ 2 20 deg = Given M A v A1 M B v B1 cos () M A v A2 M B v B2 cos 2 () + = ev A1 v B1 cos () + () v B2 cos 2 () v A2 = v B1 sin () v B2 sin 2 () = v A2 v B2 2 Find v A2 v B2 , 2 , () = 2 68.6 deg = v A2 v B2 3.80 6.51 m s = Problem 15-85 Two smooth disks A and B each have mass M . If both disks are moving with the velocities shown when they collide, determine their final velocities just after collision. The coefficient of restitution is e . Given: M 0.5 kg = c 4 = v A1 6 m s = e 0.75 = d 3 = v B1 4 m s = Solution: Guesses
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Unformatted text preview: v A2 1 m s = v B2 1 m s = A 10 deg = B 10 deg = Given v A1 ( ) v A2 sin A ( ) = v B1 c c 2 d 2 + ⎛ ⎜ ⎝ ⎞ ⎟ ⎠ v B2 sin B ( ) = M v B1 d c 2 d 2 + ⎛ ⎜ ⎝ ⎞ ⎟ ⎠ M v A1 − M v A2 cos A ( ) M v B2 cos B ( ) − = e v A1 v B1 d c 2 d 2 + ⎛ ⎜ ⎝ ⎞ ⎟ ⎠ + ⎡ ⎢ ⎣ ⎤ ⎥ ⎦ v A2 cos A ( ) v B2 cos B ( ) + = 360...
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