Question

the question 2

2.- Star-Lord (m=80 kg) is running at YYYYY km/h and crashes elastically with Ronan (m=70 kg) that is running at 54 km/h in the opposite direction. Which are the final velocities? 3.- Zemo build an artifact to destroy Captain America. Which is the maximum height reached by the

Answer 1

80 kg star - Lord ① Ronan m₂ = 70 kg tx Viza gokm/h © Uz î = -54 km/h Collision is elastic so, coefficient of Restitution, e = 1 e= Uzf - Uff = 1 Vsi-Uzi Vzf- Ulf 90-(-54)= 144 +0 conservation of linear momentum miksi + m2 Uz me Ulf + m2 Vzf 80xgo 70x54 80x Off + 70 U2f Po Uff +70 V24 = 3420 from equation and a U2f = 99-6 km/h +x Ulf 44.4 km/h -X