QUESTION 1 Bullet 2 has twice the mass Both are fired so that they have the same speed. If the kinetic energy of bullet 1 is 9.14 J, what is the kinetic energy of bullet 2? Input your answer using 3 significant figures. Input your answer in J. 20 points Save Answer QUESTION 2 Bullet 2 has twice the speed of bullet 1. Both have the same mass. If the kinetic energy of bullet 1 is 1.95 J, what is the kinetic energy of bullet 2? Input your answer using 3 significant figures. Input your answer in J. 20 points Save Answer QUESTION 31 m=6.16 kg, V=5.74 m/s. What is the kinetic energy of mass m? Enter your answer using 3 significant figures. Enter your answer in J. Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Save and SubmitQUESTION 3 A body is moving toward vertical direction with the velocity V= (a-bf)(6-dt), where tis the time, a=o.942(m/s)1/2.b=o.997m1'Zs'3/2.c=7.47m1/25'\"2. and d=o.400m\"2s'3'2 are constants. At the time t: t'=1.45s the vertical coordinate yof the body is y;2.55m. What is the potential energy of the body when the time is t2=1 .31 s? Zero level of potential energy corresponds to y = 0. Input your answer in J using 3 signicant figures. The mass of the body is 1 kg. 9:9.80 m/s2 14 points Save Answer QUESTION 4 A body is moving toward x direction with the velocity V= (a-beC-dt). where tis the time, a=7.90(m/s)1I2,b=3.29m1/23'3/2,c=3.66m1'25'1/2, and d=1.'lEim1/25'3/2 are constants. At the time f= t'=2.525 the coordinate X of the body is x'=4.24m. What is the velocity Vof the body when the time is t2=2.64s? E 15 points Save Answer QUESTION 5 A body of mass 5.08 kg is moving toward X direction with the velocity V= (a-bt) (6-dt), where tis the time, a=0.221(mls)1/2,b=0.332m1Izs'3/2,c=4.69m1/2s'1/2, and d=0.156m\"2s'3/2 are constants. At the time 1': t'=2.61s the coordinate X of the body is X'=7.22m. What is the kinetic energy of the body when the time is t2=2.475? Input your answer in J using 3 signicant figures. 14 points Save Answer QUESTION 6 A body is moving toward x direction with the velocity V: (abt)(c-dt), where t is the time, a=6.16(m/s)1l2,b=3.83m1/25'3/2,C=1.57m1/25'1/2, and d=4.27m1/2s'3'2 are constants. At the time t: t'=2.47s the coordinate X of the body is X'=5.75m. What is the acceleration a of the body when the time is t2=2.35s? 14 points Save Answer QUESTION 7 A body of mass 2.61 kg is moving toward X direction with the velocity V: (a-bt)(c-dt), where t is the time, a=5.44(m/s)1'2,b=4.83m\"25'3'2,c=9.79m1'25'1/2, and d=3.80m1/25'3/2 are constants. At the time 1': t'=2.70s the coordinate X of the body is X'=3.39m. What is the magnitude of the net force Facting on the body when the time is t2=1.43s? Input your answer in N using 3 signicant gures. E QUESTION 4 The speed of the mass m is v = 7.60 m/s. The kinetic energy of mass m is equal to K = 38.8 J. Calculate what is the mass m? Enter your answer in kg using 3 significant figures. 20 points Save Answer QUESTION 5 The mass of an object is m = 2.38 m/s. The kinetic energy of the object is K = 48.5 J. Calculate what is the velocity of the object? Enter your answer in m/s using 3 significant figures. 20 points Save AnswerQUESTION 1 A body is moving toward X direction with the velocity V = (a-b.t)(c-d.t), where t is the time a,b,c, and d are constants. At the time t = t, the coordinate X of the body is X,. What is the coordinate X of the body when the time is t,? O x2 = X1 - ac(t2 - t1 ) - (ad + bc)(t22 - t,2)/2 + bd(t23 - t, 3,/3 Ox, = x , + ac ( t 2 - 1 , ) - (ad + bc ) ( t 2 - 1 1 ) 212 + bd ( 1 2 + 1 , ) 313 Ox, = x, + ac (12 - 1, ) - (ad+be) (t2 - 1, ) 212 + bd (1 2 - 1 , )3 O x2 = X1 + ac(t2 - t1 ) - (ad + bc)(t22 - t12)/2 + bd(t23 - t13)/3 O x2 = x, + ac (12 - 1, ) - (ad + bc ) (t2 + , ) 212 + bd (1 2 - 1 , ) 3/3 O x 2 = x , + ac ( 1 2 + t , ) - (ad+bc ) ( 1 2 - 1 , ) 212 + bd ( 1 2 - 1 , ) 313 O x2 = X1 + ac(t2 - t1 ) + (ad + bc)(t22 - t,2)/2 + bd(t23 - t13)/3 O x2 = X1 + ac(t2 - t1 ) - (ad + bc)(t22 - t12)/2 - bd(t23 - t1 3/3 O x2 = x, + ac(t2 - t, ) - (ad+be ) ( 1 2 - 1 1 )2 + bd ( 1 2 - 1 , ) 313 Ox, = ac (12 - 1,) - (ad + bc) (12 - 1, ) 212 + bd (12 - 1,) 3/3 14 points Save Answer QUESTION 2 A body is moving toward X direction with the velocity V = (a-bt)(c-dt), where t is the time, a=7.22(m/s) 1/2,b=9.82m 1/2s-3/2,c=2.98m 1/2s-1/2, and d=2.28m1/2s-3/2 are constants. At the time t = t,=3.94s the coordinate X of the body is X,=3.79m. What is the coordinate X of the body when the time is t, =4.34s