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hi, i need answer on the questions below. please provide explanation or solution if needed so i can better understand it. thank you! 25. When
hi, i need answer on the questions below. please provide explanation or solution if needed so i can better understand it. thank you!
25. When a train's velocity is 24 m/s eastward, raindrops that are falling vertically with respect to the earth make traces that are inclined 45 deg to the vertical on the windows of the train. What is the horizontal component of a drop's velocity with respect to the earth? A. 0 B. 15 m/s C. 20 m/s D. 24 m/s E. No Answer 26. If the acceleration of the body is constant, which of the following statements is true? a. The acceleration of the body is increasing through time. b. The acceleration of the body is equal to the average speed of the body. c. The average acceleration of the body is equal to the instantaneous acceleration. d. The average velocity of the body is equal to the twice of the instantaneous acceleration. No Answer27. Which of the following defines displacement? A. The sum of all the lengths traveled B. The difference between two positions. C. The change in speed per change in time. D. The ratio of distance traveled and the time of travel. E. No Answer28. The graph below shows the velocity versus time for an object moving in a straight line. (A) At what time after t = 0 does the object again pass through its initial position? X,V.a 3 6 Time A. 0-2 seconds B. 2-4 seconds C. 4-6 seconds D. 6-8 seconds E. No Answer(b) Assuming that the object is initially at the origin, find the position of the object at t = 5.5 seconds. Ax=1m B. x = 2m C. x=3m D. x = 4m E. No Answer 29. For bodies that are falling, to achieve terminal velocity, what must happen to the acceleration of the body? a. The acceleration of the body is remains the same through time. b. The acceleration of the body must decrease over time c. The acceleration of the body must equal to the acceleration due to gravity. d. The acceleration of the body must increase over time. NoStep by Step Solution
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