hi, i need answers on the questions below. please provide explanation or solution if needed so i can better understand it. thank youu!

14. Which of the following indicates the motion of a body? A. A change in time in a region of space. B. A change in position in a region of space. C. A change in mass in a frame of reference. D. A change in dimension in a frame of reference. E. No Answer 15. If the acceleration of the body is increasing linearly, which of the following statements is true? a. The acceleration of the body is remains the same through time. b. The acceleration of the body can be expressed in a quadratic form c. The average acceleration of the body is equal to the instantaneous acceleration. d. The change in velocity of the body can be expressed in quadratic form. E. No Answer16. Which of the following statements is correct? a. A body can have zero velocity but still accelerating. b. A body can move at a constant velocity but still accelerating. c. A body moves in a straight line with increasing speed has zero acceleration. d. A body can have acceleration but still having constant velocity. E. No Answer 17. A particle is moving at a velocity described by the function with respect to time. Find the acceleration of the particle at time t = 1s. v(t ) = te' m/s A. 6.48 m/s^2 B. 8.15 m/s^2 C. 10.36 m/s^2 D. 12.66 m/s^2 E. No Answer18. A daring 510-N swimmer dives off a cliff with a running horizontal leap, as shown in the figure. What must her minimum speed be just as she leaves the top of the cliff so that she will miss the ledge at the bottom, which is 1.75 m wide and 9.00 m below the top of the cliff? A. 1.29 m/S B. 2.16 m/s C. 3.78 m/5 D. 4.98 m/s E. No Answer19. Please refer to the following vectors: A = 61 + 2j - 3k B = 3i - j - 2k C= -i+ i - 4k D = j - 3k E =-i+ 2k F = -5k G = 2i H = -3j 1 =-4i +4j Solve A . B A. 15 B. 17 C. 22 D. 25 E. No