4. A 50.0 kg object is moving east at an unknown velocity when it collides with a 60.0 kg stationary object. After collision, the 50.0 kg object is traveling at a velocity of 6.0 m/s 50.0° N of E and the 60.0 kg object is traveling at a velocity of 6.3 m/s 38° S of E. a. What was the velocity of the 50.0 kg object before collision? (9.86 m/s due east) b. Determine whether this collision was elastic or inelastic. (Ek loss of 340 J, so inelastic)
4. A 50.0 kg object is moving east at an unknown velocity when it collides with a 60.0 kg stationary object. After collision, the 50.0 kg object is traveling at a velocity of 6.0 m/s 50.0° N of E and the 60.0 kg object is traveling at a velocity of 6.3 m/s 38° S of E. a. What was the velocity of the 50.0 kg object before collision? (9.86 m/s due east) b. Determine whether this collision was elastic or inelastic. (Ek loss of 340 J, so inelastic)
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Chapter1: Units, Trigonometry. And Vectors
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Transcribed Image Text:4. A 50.0 kg object is moving east at an unknown velocity when it collides with a 60.0 kg stationary object. After
collision, the 50.0 kg object is traveling at a velocity of 6.0 m/s 50.0° N of E and the 60.0 kg object is traveling at a
velocity of 6.3 m/s 38° S of E.
a. What was the velocity of the 50.0 kg object before collision?
(9.86 m/s due east)
b. Determine whether this collision was elastic or inelastic.
(Ek loss of 340 J, so inelastic)
Transcribed Image Text:Not sure how they got 9.86 as the answer. I
did the x components and got 9.3m/s for Vix
but when I did the Y components for Viy I got
0=v1y'-v2y'. Cant rearrange to solve for Viy
before collision because there's no movement
in y direction.
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