9 please by provided formula sheet easy way to explain please v2Circular motion: ac =RWPavr =AtFnet = ma;Weight: Fg= mg, ;g = 9.8 m/s²;1(Kinetic energy: K =m v²;Potential energy: Ug=mgyE = ErE = U+K2v2Rotational motion:e = -;1 rev = 27 rad;v = o r;= o'r;a = a r;a, =0 = 0o t+2@ = 0o + at;20a = @? - @o?K=-loT=rxF;T=rFsino;1 mR ?1Icy= mR2Στ-Ια;Ipoințmass = mr2Idisk =Ipipe =mRout+ Rin12Ired(end) = mL2Ishell =mR?Ihoop = mR?Irod(center) =-mL²Ipall =%3DmR?work: W=t0; K=-Io 2dWP =dtWPavr =AtI= Icom + MD²W =2Rolling:2 +1m VcomVcom = RoK=-IoT= f,RF,max = H,FnIncline: F=mgsin0 F-mgcosoAngular momentum:Lpoint mass= m rxvL= mrvsin 0;L=m (r,vy - ryVx)kL= IoLI = LrIn 01 =I 202m,X1 +m2X2mıy1+m2y2X comУ сomm1 +m2m1 +m212.25t 2,2 s14.5 ven7. A 2-kg object moving to the right with velocity 5 m/s collides with a 3-kg object which is initially at rest. After thecollision, the 3-kg object has a velocity vector v =i-j. What is the speed of the 2-kg object after the collision?W. AtA) 0.8 m/sB) 1.8 m/sC) 2.8 m/sD) 3.8 m/sE) 4.8 m/s8. Jf 15 J of potential energy are stored in a spring which has been compressed by 2 cm from its relaxed length, how muchforce will this spring exert if it is stretched by 4 cm from its relaxed length?A) 500 NB) 3000 NC) 7500 ND) 75,000 NE) None of the Abovemass of 10 kg is attached to the spring in problem 8. The spring is compressed by 2 cm and is released. When thespring reaches its equilibrium position, what is the speed of the 10-kg mass?A) 1 m/sB) 1.7 m/sC) 2 m/sD) 2.7 m/sE) 3 m/sOmI sp3.3 + 1.S10. A toy car is on a small indoor track, which is 100-m in circumference. The car starts from rest, accelerates uniformly,and after 5 seconds reaches a point halfway around the circle. At this time, what is the magnitude of the car'sacceleration?A) 4 m/sB) 9 m/sC) 16 m/sD) 25 m/sE) >25 m/s11. A 2-kg block starts from rest at the top of a 10-m long ramp inclined at 45 deg to the horizontal. The block is releasedand begins to slide down the ramp. At the bottom of the ramp the block has a speed of 9 m/s. What is the coefficient offriction between the block and the ramp?A) 0.12B) 0.22C) 0.32D) 0.42E) 0.5212.25+ 22514.54

9) mass (m) = 10 kg compression in spring (d) = 2 cm Given in question 8 : "Energy stored in spring…

mass of 10 kg is attached to the spring in problem 8. The spring is compressed by 2 cm and is released. When the spring reaches its equilibrium position, what is the speed of the 10-kg mass? A) 1 m/s B) 1.7 m/s C) 2 m/s D) 2.7 m/s E) 3 m/s 3.3 + 1.S

mass of 10 kg is attached to the spring in problem 8. The spring is compressed by 2 cm and is released. When the spring reaches its equilibrium position, what is the speed of the 10-kg mass? A) 1 m/s B) 1.7 m/s C) 2 m/s D) 2.7 m/s E) 3 m/s 3.3 + 1.S

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter6: Momentum And Collisions

Section: Chapter Questions

Problem 72AP: A 60-kg soccer player jumps vertically upwards and heads the 0.45-kg ball as it is descending...

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