SHOW YOUR COMPLETE SOLUTION AND WRITE YOUR SOLUTION ON A PAPER. Multiple Choice (2 pts each). Write the CAPITAL LETTER of the correct answer. Show your solution for items involving problem solving. Ignore air resistance and assume acceleration due to gravity on the surface of the earth is 9.8 m/s2.38. The relationship between centripetal acceleration and velocity in a uniform circular motion is: e. The centripetal acceleration is parallel to the velocity. f. The centripetal acceleration has the opposite direction of the velocity. g. The centripetal acceleration has the same direction with the velocity. h. The centripetal acceleration is perpendicular to the velocity. 39. An ant moves on a horizontal circle in a uniform circular motion. Which will result in an unchanged centripetal force? a. Quarter the speed. double the radius b. Triple the speed, half the radius c. Half the speed, double the radius d. Double the speed, quadruple the radius 40. Which of the following statements is true regarding normal force in a vertical circle? a. Because the mass of the object is constant. the normal force remains constant in any point on the circle. b. The normal force at the top of the vertical circle is less than the normal force at bottom of the vertical circle. c. The normal force at the top of the vertical circle is greater than the normal force at bottom of the vertical circle. d. None of the above