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Kinetic energy: K = m v; Potential energy: Ug= mgy E = Er E= U+K 1 rev = 2n rad; a, = == o'r; Rotational motion: v =o r; a -ar; e = @, t+. 28a = o - o K-lo? T=rx F; O - Do + at; T=rFsing; ET = la; Ipoint mass = mr? mR2 2. La = Inoop = mR? Irod(center) = 12 2 Lbd = -mR? mL? Irodjend) = Isal =-mR? dW P= dt I= Lcom + MD² work: W=t 0; W = P Rolling: Veom = Ro 2+ m Veom K= T=f,R FAMAX - H,Fn Incline: Fe=mgsin0 F= mgcos0 Angular momentum: Lpoint mass = m rxv L=mrvsin 0; L-m (r,v, - r,v,)k L= lo m,x1 +m,X2 m, +m2 L1= Lr I o1 =I 202 mıy1+m2y2 X com = Y com = m1 +m2 4.) A car goes around a curve and then around another curve. It experiences a centripetal force F1 going around the curve with radius 2R at a speed v. It then experiences a centripetal force F2 going around the second curve with radius 6R at a speed 3v. What is the ratio of the centripetal forces, F1/F2? a. 0,33 b. 0.75 с. 1 d. 3 e. 27

Kinetic energy: K = m v; Potential energy: Ug= mgy E = Er E= U+K 1 rev = 2n rad; a, = == o'r; Rotational motion: v =o r; a -ar; e = @, t+. 28a = o - o K-lo? T=rx F; O - Do + at; T=rFsing; ET = la; Ipoint mass = mr? mR2 2. La = Inoop = mR? Irod(center) = 12 2 Lbd = -mR? mL? Irodjend) = Isal =-mR? dW P= dt I= Lcom + MD² work: W=t 0; W = P Rolling: Veom = Ro 2+ m Veom K= T=f,R FAMAX - H,Fn Incline: Fe=mgsin0 F= mgcos0 Angular momentum: Lpoint mass = m rxv L=mrvsin 0; L-m (r,v, - r,v,)k L= lo m,x1 +m,X2 m, +m2 L1= Lr I o1 =I 202 mıy1+m2y2 X com = Y com = m1 +m2 4.) A car goes around a curve and then around another curve. It experiences a centripetal force F1 going around the curve with radius 2R at a speed v. It then experiences a centripetal force F2 going around the second curve with radius 6R at a speed 3v. What is the ratio of the centripetal forces, F1/F2? a. 0,33 b. 0.75 с. 1 d. 3 e. 27

College Physics
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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Only 4 I provided formula must use that and please explain me easy way step by step please
Kinetic energy: K = m v: Potential energy: Ug= mgy E = E E = U+K v? a, = -= o'r; Rotational motion: 1 rev = 2n rad; v = o r; at = ar; 0 = 0o t + 20a = o? - 0? K=-lo T=rx F; T=rFsino; 0 = Do + at; pped o ach h ie tabl z land Στ-Ια: Idisk = Iyl= mR 2 Ipolnt mass = mr Irod(center) = 12 mL? Ihoop = mR? Irod(end) = -mlL² Ibaln = Ishell =mR? K- lo ? dW P= dt W Pavr = At I= Icom + MD² work: W=t 0; W = Rolling: Vcom = Ro K= lo 2 + m Vcom ? T= f,R F,max = HFn Incline: Fe=mgsin0 F mgcos0 Angular momentum: Lpoint mass = m rxv L= mrvsin 0; L=m (r.vy - r,V1)k L= Io m,x1 +m2X2 miy1+m2y2 m1 +m2 LJ = L I, o =I 202 X com = Y com = m, +m2 4.) A car goes around a curve and then around another curve, It experiences a centripetal force F1 going around the curve with radius 2R at a speed v. It then experiences a centripetal force F2 going around the second curve with radius 6R at a speed 3v, What is the ratio of the centripetal forces, F1/F2? а. 0.33 b. 0.75 с. 1 d. 3 e. 27
Transcribed Image Text:Kinetic energy: K = m v: Potential energy: Ug= mgy E = E E = U+K v? a, = -= o'r; Rotational motion: 1 rev = 2n rad; v = o r; at = ar; 0 = 0o t + 20a = o? - 0? K=-lo T=rx F; T=rFsino; 0 = Do + at; pped o ach h ie tabl z land Στ-Ια: Idisk = Iyl= mR 2 Ipolnt mass = mr Irod(center) = 12 mL? Ihoop = mR? Irod(end) = -mlL² Ibaln = Ishell =mR? K- lo ? dW P= dt W Pavr = At I= Icom + MD² work: W=t 0; W = Rolling: Vcom = Ro K= lo 2 + m Vcom ? T= f,R F,max = HFn Incline: Fe=mgsin0 F mgcos0 Angular momentum: Lpoint mass = m rxv L= mrvsin 0; L=m (r.vy - r,V1)k L= Io m,x1 +m2X2 miy1+m2y2 m1 +m2 LJ = L I, o =I 202 X com = Y com = m, +m2 4.) A car goes around a curve and then around another curve, It experiences a centripetal force F1 going around the curve with radius 2R at a speed v. It then experiences a centripetal force F2 going around the second curve with radius 6R at a speed 3v, What is the ratio of the centripetal forces, F1/F2? а. 0.33 b. 0.75 с. 1 d. 3 e. 27
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