A 400 g ball is dropped from a height of 95 cm. Calculate the magnitude of its momentum as it makes contact with the floor. Select one: O a. 1.7 kg-m/s O b. 4.3 kg-m/s O c. 7.5 kg.m/s O d. 17 kg.m/s A baseball has a momentum of 3.0 kgm/s north before it is hit. Determine the impulse acting on the ball while it is being hit if its momentum after being hit is 5.0 kgm/s to the south Select one: O a. 2.0 N-s to the north O b. 2.0 N's to the south O c. 8.0 N's to the north O d. 8.0 N-s to the south Two identical air pucks collide at right angles and stick together. Each has a momentum of 20 kg-m/s before the collision. Determine the magnitude of their momentum after the collision if they stick together upon impact. Select one: O a. 2.0 kg.m/s O b. 2.8 kg.m/s O c. 4.0 kg.m/s O d. 8.0 kg-m/sA 40 kg mass moving with a kinetic energy of 200 J collides with a 15 kg mass having a kinetic energy of 180 J. Assume the collision is completely elastic and the 40 kg mass has 180 J of kinetic energy after the collision. Determine the amount of kinetic energy possessed by the 15 kg mass after the collision. Select one: Oa. OJ O b. 20 J O c. 180 J O d. 200 JFour charged particles enter a magnetic field in a bubble chamber. Their paths through the bubble chamber are shown in the diagram. Each particle enters the field with the same velocity and magnitude of charge. The magnitude of the orbital radius, from largest to smallest is A, D. B, and C. Rank the ions from largest mass to smallest mass. A X B X X X X Source of X X charged particles X X C X X D X X Select one: O a. A, B, C, D O b. D, C, B, A O c. C, B, D, A O d. A, D, B, CIdentify all of the fields that are theoretically capable of exerting a force on a beam of electrons Select one: O a. Electric fields only O b. Magnetic fields only O c. Magnetic and electric fields only O d. Electric, gravitational, and magnetic fields Four charged particles enter a magnetic field in a bubble chamber. Their paths through the bubble chamber are shown in the diagram. Each particle enters the field with the same velocity and magnitude of charge The magnitude of the orbital radius, from largest to smallest is A. D. B. and C. A X B X X Source of X charged X particles X X X X X The negatively charged ions are both select one: a. A and C b. C and B .A and B C and D\fIf a positively charged object is placed in an electric field that is directed downward, the direction of the electric force on the charge is Select one: O a. down O b. up O c. left O d. right The stopping voltage for an electron travelling at 3.50 x 10 m/s is Select one: O a. 34.9 V O b. 9.96 x 10-6 V O c. 28.7 mV O d. 69.7 VIdentify the graph that best describes the relationship between electric force (Fe) and distance (r) between two charged objects. a b Fe Fe C. d. Fe Fe Select one: Oa. A Ob. B O c. C O d. DTwo identical objects, one neutral and the other with a charge of +4 0 JC, are brought into contact and then separated to distance of 0.25 m. Calculate the magnitude of the electrostatic force between the two charged objects Select one: O a. 0.14 N O b. 0.58 N O c. 14 x 10" N O d. 5.8 x 10#1 N the relationship between electric force (Fe) and distance (r) between two charged objects.A positively charged object is brought near the left side of neutral metal sphere. Identify the diagram that best describes the electrical state of the sphere a C. + d + Select one: Oa. A O b. B Oc. C O d. D wo identical objects, one neutral and the other with a charge of +4.0 JC, are brought into contact and then separated to distance of 0.25 m. Calculate the magnitude of the electrostatic force between the two harged objects elect one: O a. 0.14 N D b. 0.58 N C. 1.4 x 10#1 N d. 5.8 x 10#1 N