Practicr exam for ph, Study Guides, Projects, Research of Particle Physics

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Section VQ 7 J ultiple-choice questions. ~ 1. A roller Coas! bottom of th ter starts from re St at the top of an 18-m hill as shown. The c: ¢ hill and contin { ar travels to the ues up the next hill that is 10.0 m high Le | ie How fast is the car ™ noving at the top of the 10.0-m hill, if friction is ignored? A) 64 m/s B)_8.1 ms Mgly= Sm rng Key 13 m/s i: B ame Vag nhs Ve SARAALA LCST NIV Use the following to answer questions 2-3: 18m Zmya A 9.0-kg box of oranges slides from rest down a frictionless incline from a height of 5.0m. A constant frictional force, i introduced at point A, brings the block to rest at point B, 19 m to the right of point A. B fo 2 19m a 2. What is the speed of the box just before it reaches point A? ; ne Boome Ue Laghe Variensc0 = 1: D) 5.7 n/s E) 44m/s Page 2 ——~Page