13 please using by this formula sheet easy way to explain v2Circular motion: a =RWPavr =AtFast = ma;Weight: F = mg, ;g = 9.8 m/s²;1(Kinetic energy: K = -m v²;2Potential energy: Ug = mgyE = EE = U+KRotational motion:1 rev = 2n rad;V = 0r;= m?r;at = ar;a, =0 = 0o + at;0 = 0o t+20a = 0² - mo²K=-To t =rFsing;T =rxF;Στ-Ια;Ipointmass = mr?1Icy=2 mR 2Idisk =mR 21+RinIhoop = mR?1Irod(center) =1Ired(end) = mL32Iball = mR?2Ishell = mR?312 mL?work: W=t0; K--lo ?I= Icom + MD?P- dWdt2W =WPavr =AtRolling:Veom = RoK =2m Veom 22T= f,RF,max = H,FnIncline: F=mgsin0 F=mgcos0Angular momentum;Lpolnt mass =m rxvL=mrvsin 0;L=m (r,vy - ryV,)kL= IoLI = LrI, 01 =I 202m,X1+m2X2X com =miyi+m2y2m, +m2y com =m1 +m2 SAMPLE EXAM 3PHYSICS 111SPRING 202212. A 4-kg ball moving to the right at 12 m/s collides elastically with a 2-kg ball moving to the left at 6 m/s. What are thespeeds of the 4-kg and the 2-kg balls after the collision?A) 4 m/s and 10 m/sB) 6 m/s and 12 m/sC) 12 m/s and 6 m/sD) 8 m/s and -8 m/sE) 10 m/s and -4 m/s13. A 2-kg block is placed at the top of a 5-m high, frictionless ramp and is released from rest. At the bottom of the rampthe 2-kg block collides with a 1-kg block that is initially at rest. The blocks stick together. What is the velocity of theblocks after the collision?A) 3.3 m/sB) 6.6 m/sC) 9.9 m/sD) 10.10 m/sE) There is not enough information given14. A potential energy function is given below. At what point would an object experience a force in the positive xdirection?ac dA) aB) bС) сD) dE) in the region from 0 to a, and from c to infinity15. A 3-kg box is moving at 6.0 m/s atop a hill that is 5.0 m above a flat frictionless surface. It descends the hill (alsofrictionless) and at the bottom of the hill contacts an ideal spring, which compresses 1.53 m before stopping. What is thespring constant k ?A) 172 N/mB) 225 N/mC) 344 N/mD) 450 N/mE) 980 N/m

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Science

Physics

ec

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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