V 0 ZA B Two identical objects, A and B, move along straight, parallel, horizontal tracks. The graph above represents the velocity as a function of time for the two objects. a. At approximately which time or times, if any, are the objects moving at the same speed? If the objects are never moving with the same speed during the interval shown, indicate this explicitly. Briefly explain your answer.
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- Part B Two cars travel on the parallel lanes of a two-lane road. The cars are at the same location at time t =0 s, and move in such a way as to produce the velocity (relative to the ground) vs. time graph shown in (Figure 1). On the graph, one vertical block is equivalent to one velocity Rank car #1's speed relative to car #2 at the lettered times. unit. Rank from largest to smallest. To rank items as equivalent, overlap them. • View Available Hint(s) Reset Help 000 largest smallest C E B The correct ranking cannot be determined. Şubmit Previous Answers X Incorrect; Try Again; 4 attempts remaining Part C Figure 1 of 1 Rank the distance between the cars at the lettered times. v(t) Rank from largest to smallest. To rank items as equivalent, overlap them. • View Available Hint(s) car #2 car #1 Reset Help 0. A BC D A B E largest smallest A,Learning Goal: (Figure 1) In this problem you will determine the average velocity of a moving object from the graph of its position (t) as a function of time t. A traveling object might move at different speeds and in different directions during an interval of time, but if we ask at what constant velocity the object would have to travel to achieve the same displacement over the given time interval, that is what we call the object's average velocity. We will use the notation Vave [t1, t2] to indicate average velocity over the time interval from t₁ to t₂. For instance, Vave ve[1, 3] is the average velocity over the time interval from t = 1 to t = 3. Figure x (meters) 60+ 40- 20- 0 4 t (seconds) 1 of 1A speed skater moving to the left across frictionless ice at 8.3 m/s hits a 4.5-m-wide patch of rough ice. She slows steadily, then continues on at 6.0 m/s. Part A What is the magnitude of her acceleration on the rough ice? Express your answer with the appropriate units.
- Conclusion: Write a single paragraph describing the how the velocity of the car changes as time passes. Be sure to include your equation and the acceleration in your description.Part F What is the speed u of the object at the height of ((1/2)h max? Express your answer in terms of v and g. You may or may not use all of these quantities. u=A particle travels along a straight line with a velocity of v = (4t — 3t²) m/s, where t is in seconds. Part A Determine the position of the particle when t = 3.6 s. s=0 when t = 0. Express your answer to three significant figures and include the appropriate units. 8 = THPA Value Submit Provide Feedback Request Answer Units ?
- Hi! Please help with a-c. Thank you in advancePart A A supply plane needs to drop a package of food to scientists working on a glacier in Greenland. The plane flies 100 m above the glacier at a How far short of the target should it drop the package? speed of 120 m/s. Express your answer using three significant figures with the appropriate units. You may want to review (Page). For help with math skills, you may want to review: HÅ ? Mathematical Expressions Involving_Squares Value Units For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Dock jumping. Submit Request AnswerPlease explain with words.
- Please answer this Physics questions with a detailed explanation.Please Help!B. Graphically from a Velocity Graph. The calculation above is simply the slope of the tangent line at a point on a velocity-time graph. 11. Look at the graph below and determine the acceleration. Is this positive, negative, or zero? Why?