Question

help with these questions please

for Questions #6 & #7: Another box of Fizzix textbooks of mass Mis now dropped Use the following information vertically downward from rest at a distance h above a vertically oriented ideal spring o top of the ideal spring is a thin massless platform. f spring constant k. Attached to the 6. Using the provided variables and common physical constants, at what position relative to X, does the mass reach a maximum vertical velocity? Texts Mg (A) AtX (B) 4S below X 2Mg below X 2Mg below A 7. If the following data is provided, at what position below X, does the box stop? M = 4kg, h=2m, &k=500Nm (A) 0.08m (B) 0.16nm (C) 0.40m (D) 0.65m 8. The two diagrams below represent an overhead view of a racetrack turn at two different times for the same two identical cars. Figure #1 shows two cars already into the turn both traveling at the same speed, . Car #2 is ahead of Car #1. Figure #2 shows the same racetrack with the same two cars just a few seconds after Figure #1. Car #2 has lost control and spun around and is now traveling "backwards" at a speed of toward the front of Car #1. Assuming the cars crash into each other head-on with the velocity vectors exactly opposite each other and stick together, what is the final speed of the Car #1 & Car #2 combination? NOTE: No professional car drivers were hurt in the production of this problem (A)5S @3% (C) r (D) Impossible to tell without knowing the masses of the cars. Figure #2 Figure #1

Answer 1

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