1. Based on the position vs time graph in the simulation 1, what is the functional form of the position according to your best fit? 2. Based on the velocity vs time graph in the simulation 1, what is the functional form of the velocity accoršing to your best fit?
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- Draw a position-time and velocity-time graphs that would best depict the following scenario. draw the graph. Scenario: a cat starts at the origin and walks back slowly and steadily for 6 seconds. Then the cat stands still for 6 seconds, then walks forward steadily about twice as fast for 6 seconds. Be sure to properly lab your axes, with quantities and units.For the following cases, determine if it is possible for an object and explain answer. 1. a. Speed that is NOT constant AND acceleration that is NOT constant b. Speed is 0m/s AND constant, non zero acceleration c. Displacement that is NOT constant, non zero velocityAsap
- The position graph shows a dog slowly sneaking up on a squirrel, then putting on a burst of speed.a. For how many seconds does the dog move at the slower speed?b. Draw the dog’s velocity-versus-time graph. Include a numerical scale on both axes.Constant Velocity Table: Distance Time (s) Distance (cm) Total Time (s) Total Displacement (cm) Average Velocity (cm/s) Interval 1 444 7.4 2 1/60 7.4 1/60 444 3 2/60 16.3 1/60 648 10.8 4 3/60 27.1 1/60 648 5 4/60 38.6 1/60 798 13.3 6 5/60 51.9 1/60 798 7 6/60 65.4 1/60 666 11.1 8 7/60 76.5 1/60 666 9 8/60 88.1 1/60 516 8.6 10 9/60 96.7 1/60 516An object moves in one dimension, and its velocity versus time is shown in the graph. Express your answers in m/s2. A. What is the average acceleration between the times 0 s and 20 s? B. What is the average acceleration between the times 20 s and 50 s? C. What is the average acceleration between the times 50 s and 70 s? D. What is the average acceleration between the times 0 s and 100 s?
- A. Identify the sketch in the graph. position B A E 1. Which object(s) is(are) maintaining a state of motion (i.e., maintaining a constant velocity)? 2. Which object(s) is(are) not moving? 3. Which object(s) change(s) its direction? 4. On average, which object is traveling fastest? 5. On average, which moving object is traveling the slowest?Which of the following statements are true regarding velocity-time graphs?I. The slope of a velocity-time graph is acceleration. II. The graph has a slope of zero if the object is at rest. III. A line with negative slope indicates that the object is slowing down.a. Draw the velocity graphs of Vy and Vx as a function of time. b.Draw x and y component of the position as a function of time. c. how long does it take for the rock to hit the ground? d. what is distance X where the rock hits the ground from the base of the vertical cliff?
- 2. A jet plane has a takeoff speed of vtakeoff = 73 m/s and can move along the runway at an average acceleration of 2.4 m/s2. The runway is 1.2 km. Write out the 3 Kinetic equations. a. b. Write out the values of initial position, initial velocity, and acceleration. How many seconds will it take for the plane to reach takeoff speed? с. d. How far will the plane have to travel to get to takeoff speed? will the plane be able to get to take off before it gets to the end of the runway? е.The graph below shows the position of a car moving along a highway. Identify the labeled points where 2. F E position D, A В Time the velocity is zero the velocity is positive the velocity if negative the acceleration is zero i. ii. iii. iv. the acceleration is positive the acceleration is negative V. vi.One of the most difficult things to learn in physics is that our everyday language is not always precise enough. For instance, we might say a car is “slowing down”, but that only gives us information abouts velocity, not its acceleration. What can we say about the velocity of a car which has negative acceleration in the x-direction? a. It is slowing down. b. The x-component of its velocity is decreasing. c. The x-component of its velocity is negative. d. It is speeding up. e. The x-component of its velocity is positive. f. The x-component of its velocity is increasing.