10 8 Position (m) 4 2 20 30 40 50 Time (s) 10 0 For the following questions, refer to the position versus time graph above. What is the ball's change in position?
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- A ball is thrown up and it takes 7.00 seconds to reach maximum height. Show the equation that you. a) How fast was it going when I threw it? b) How high up did it go? d) What was the acceleration of the ball going up? Give both magnitude and direction (up or down). Explain. e) What was the acceleration of the ball going down? Give both magnitude and direction (up or down). Explain. f) When was the ball speeding up and when was it slowing down? Explain.The first four questions concern the epic journey of a little ant across the floor, moving in a straight line. The graph above shows the ant's position (x-coordinate) as a function of time. Let's make sure we understand some basic physics definitions here... The total distance traveled by the ant is A.24.0 m B.16.0 m C.0.00 m D.8.00 mA gardener walks in a flower garden as illustrated in the figure below. a.)What distance does the gardener travel? b.)What is the gardener’s displacement?
- QUESTION 33 a 0. t Choose the appropriate word choices below that correctly complete the blanks in the following three sentences: At the beginning, the object is at the origin and moving to the left. In the first half of its motion, the object moves to the left with velocity. Then, the motion of the object changes. In the second half of its motion, the in magnitude. object due to a acceleration that is CA. decreasing, speeds up, negative, increasing, B. constant, speeds up, positive, constant, C. constant, slows down, positive, constant, D. increasing, speeds up, negative, increasing, E. constant, speeds up, negative, constant,Short computation The position of an object as a function of time is given by x(t) = bt2 - ct, where b = 2.2 m/s² and c = 7.1 m/s. What is the instantaneous velocity v of the object when t = 7.9 s? v= m/s Remember to include a "-" if the velocity turns out to be negative. Do not include a "+" for a positive value. Report your numerical answer below, assuming three significant figures.** 12. The positions of objects A and B are graphed at right. Answer the following questions and explain. d) Do the two objects ever have the same position? If so, when? e) Which object has the greater speed at t = 11 s? f) Find the average velocity of object B for the 20-second interval shown. g) Estimate the instantaneous velocity of object A at t = 15 s. Position (m) 200 100 -100 -200 A B 0 2 4 6 8 10 12 14 16 18 20 t (s)
- Answer the following question given below and write the correct answer. 1. A box was dropped from the top of a building. Which of the following is true regarding its displacement per second? a. The distance covered by the falling box per second increases. b. The distance covered by the falling box per second decreases. c. The distance covered by the falling box per second remains constant. d. I need more details to confirm any of these three statements. 2. A box was dropped from the top of a building. Which of the following is true regarding its velocity? a. The velocity increases. b. The velocity stays the same. c. The velocity decreases. d. I need more details to confirm any of these three statements. 3. A box was dropped from the top of a building. Which of the following is true regarding its acceleration? a. The acceleration increases. b. The acceleration stays the same. c. The acceleration decreases. d. I need more details to confirm any of these three statements. 4. A rock…SOLVE STEP BY STEP IN DIGITAL FORMAT! PLEASE! A bullet is fired with a horizontal speed of 30 m/s from the top of a 80 m hill.a. How long will it take to hit the ground?b. How far from the foot of the top will the collision be?c. What will be the impact speed?3. An object moves along the line from point to point 2 in time At. a. Suppose that the object is speeding up. Which of the labeled points A, B, or C could correspond to the location of the object at time At/2? (Point B lies halfway between points I and 2.) Explain. A B Ï Ï C b. Suppose that the object is slowing down. Which of the labeled points A, B, or C could correspond to the location of the object at time A1/2? Explain.
- A rider on a water slide goes through three different kinds of motion, as illustrated is shown. Use the data and details from the figure to answer the following question. Suppose the designers of the water slide want to adjust the height h above the water so that riders land twice as far away from the bottom of the slide. What would be the necessary height above the water?A. 1.2 m B. 1.8 m C. 2.4 m D. 3.0 mZero velocity A projectile is fired vertically upward and has a position given by s1t2 = -16t2 + 128t + 192, for 0 … t … 9. a. Graph the position function, for 0 … t … 9. b. From the graph of the position function, identify the time at which the projectile has an instantaneous velocity of zero; call this time t = a. c. Confirm your answer to part (b) by making a table of average velocities to approximate the instantaneous velocity at t = a. d. For what values of t on the interval 30, 94 is the instantaneous velocity positive (the projectile moves upward)? e. For what values of t on the interval 30, 94 is the instantaneous velocity negative (the projectile moves downward)?An object is moving off a roof with the velocity of 7 m/s as shown in the below figure. a) How far from the edge of the house does the object hit the ground? b) Draw 4 graphs showing the change of positions and velocities over time in horizonal axis and vertical axis, respectively, for the object motion in question a). c) There is a person standing 4 m from the edge of the house. Will the object hit him given his height is 1.9 m? 40° Vo = 7.00 m/s 14.0 m K Page 2 of 3 40m