Part (B) Find the initial kinetic energy of the bullet, in joules. Numeric : A numeric value is expected and not an expression. KEi= Part (f) Enter an expression for the kinetic energy of the block/bullet system immediately after the collision, in terms of dened quantities and g. Expression KEf : Select from the variables below to write your expression. Note that all variables may not be required. [3, 71 9, 11,0, 11,37 11,], k, In, M, n, P, S Part (g) Calculate the ratio, expressed as a percent. of the kinetic energy of the block/bullet system immediately after the collision to the initial kinetic energy of the bullet. Numeric : A numeric value is expected and not an expression. KEKEirm = 5:45 PM Fri Oct 21 no. ustBca.theexpertta.com ii Linear Momentum Begin Date: 10/13/2022 8:00:00 AM -- Due Date: 10/21/2022 11:59:00 PM End Date: 10/22/2022 11:59:00 PM Problem 1: During a circus act, a performer thrills the crowd by catching a cannon ball shot at him. The cannon ball has a mass of m1 = 9.5 kg and the horizontal component of its velocity is v = 8. 35 m/s when the performer, of mass m2 = 66 kg, catches it. Part (a) If the performer is on nearly frictionless roller skates, enter an expression for his recoil speed, in terms of the masses and initial speed. Expression v' : Select from the variables below to write your expression. Note that all variables may not be required. a,110,21,d,g,h,j,k,m,m1,m2,P,t,v Part (b) What is his recoil speed, in meters per second? Numeric : A numeric value is expected and not an expression. v' : Problem 2: A bullet is tired horizontally into an initially stationary block of wood suspended by a string and remains embedded in the block. The bullet's mass is m = 0. 0095 kg, while that of the block is M = 1.01 kg. After the collision the block/bullet system swings and reaches a maximum height of h = 1.1 m above its initial height. Neglect air resistance. Part (a) Enter an expression for the speed of the block/bullet system immediately after the collision in terms of defined quantities and g. Expression "f: Select from the variables below to write your expression. Note that all variables may not be required. 13,7, 8, b, c, d, g, M, k, m, M, n, P, S Part (b) Find the speed of the block/bullet system, in meters per second, immediately after the collision. Numeric : A numeric value is expected and not an expression. \"f: Part (c) Enter an expression for the initial speed of the bullet in terms of defined quantities and g. Expression vi : Select from the variables below to write your expression. Note that all variables may not be required. 117: 3, b, c, d, g: 11,1, k, In, M, n, P, 5 Part (d) Find the initial speed of the bullet, in meters per second. Numeric : A numeric value is expected and not an expression. vi : Part (e) Find the initial kinetic energy of the bull\" Problem 3: A baseball of mass m 1 = (L45 kg is thrown at another ball hanging from the ceiling by a length ofstring L = 1.65 m. The second ball m2 = 0. 83 kg is initially at rest while the baseball has an initial horizontal velocity of V} = 4.5 m/s. After the collision the rst baseball falls straight down (no horizontal velocity). Randomized Variables m1: 0.45kg m2: 0.83 kg L 21.65 m In V1: 4.5 m/S ml 2| lIlcupcrll:1.cnm Part (a) Select an expression for the magnitude of the closest distance from the ceiling the second ball will reach (1'. SchematicChoice V2 mV 2 V 2 29 211129 217129 V d=L-& 211129 Part (b) What is the angle that the string makes with the vertical at the highest point of travel in degrees? Numeric : A numeric value is expected and not an expression. 6 = Problem 4: A coal car of mass m1 : 3071 kg is rolling down the tracks at a velocity of Vi : 2.1 mfs when a loader drops a load of coal m2 : 5.921 kg into the car. Randomized Variables 1111:3071 kg 1122:5921 kg Vf:2.l m/s Part (a) What is the momentum of the system in (kg - m)/s before the coal is added? Numeric : A numeric value is expected and not an expression. p 2 Part (b) What is the velocity after the coal is added in meters per second? Numeric : A numeric value is expected and not an expression. vf= Part (c) Ifyou measured the nal velocity of the car to be 1 m/s and the initial mass of the car remains the same, how much coal was added to the car in kg? Numeric : A numeric value is expected and not an expression. \"12' =