A material point P moves on a circular guide of radius r placed in a vertical plane without friction. What is the minimum VB speed that must have P in point B (the lowest point in the guide) to never lose the contact with the guide. (Consider the case of a point material moving on a trajectory vertical and tied to a wire.)
A material point P moves on a circular guide of radius r placed in a vertical plane without friction. What is the minimum VB speed that must have P in point B (the lowest point in the guide) to never lose the contact with the guide. (Consider the case of a point material moving on a trajectory vertical and tied to a wire.)
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A material point P moves on a circular guide of radius r placed in a vertical plane
without friction. What is the minimum VB speed that must have P in point B (the
lowest point in the guide) to never lose the contact with the guide. (Consider the
case of a point material moving on a trajectory vertical and tied to a wire.)
A mass m₁=1.6 kg hits a mass with speed 5.5 m/s m₂ = 2.4 kg moving in the same
direction and towards m₁ with speed v₂ = 2.5 m/s. After impact m2 has speed of 4.9
m/s. What is the speed of m₁ after the crash? What kind of impact is it (inelastic or
elastic)?
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