Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 6th Edition
Dynamics: Newton's Laws of Motion
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4-4 to 4-6: Newton's Laws, Gravitational Force, Normal Force
4-7: Newton's Laws and Vectors
4-8: Newton's Laws with Friction; Inclines

Problem 5
a)196N196 \textrm{N}
b)FN20=294NF_{N_{20}}=294 \textrm{N}
FN10=98NF_{N_{10}}=98 \textrm{N}
By rinne13 on Sun, 12/13/2015 - 9:39 PM

Hello Mr. Giancoli . Could you help me please i have final tomorrow and i cant solve one problem ., i have no one to ask

A 30-g mass moving in positive direction collides head-on with a 10-g mass moving at 60 cm/s in the negative direction. The two masses stick together after the collision, and their velocity is 0.10 m/s. Find the velocity of 30-g mass before collision.

I converted : 30 g = 0.03 kg ; 10 g= 0.01kg ; V2 = - 0.6 m/s ; V prime = 0.1 m/s

I found P = 0.004, i have problem to find V1 of mass 0.03 kg

thank you so much in advance

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