Sketch the velocity-time graph corresponding to each of the following descrip- tions of the motiori of an object. 7. The object is moving away from the origin at a steady (constant) veloc- ity. Time 8. ' The object is standing still. Time 9. The object moves toward the origin at a steady (constant) velocity for 10 s, and then stands still for 10 s. 10 Time (s) Velocity Velocity Velocity
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- I don't understand how to do this. Now let's see what we can tell from an equation for position:x(t) = 6t^2 + 4.2t + 9What is the object's initial position? Assume each term has units of meters, and that time is in secondsIllustrate and solve the following problems following the GRESA format (Given, Required, Equation, Solution, Answer).Express your answer in two decimal places What is the final velocity of the car, if it starts from rest and travelled a 75.0 km distance with an acceleration of 17 m/s2?Part 1: A motorist traveling at 17 m per s encounters a deer in the road 48 m ahead. If the maximum acceleration the vehicle's brakes are capable of is -5 m per s2 what is the maximum reaction time of the motorist that will allow her or him to avoid hitting the deer? Answer in units of s. Part 2: If his or her reaction time is 1.29353s, how fast will (s) he be traveling when(s)he reaches the deer? Answer in units of m per s.
- Hi I am in phyiscs I and it has the problem a runner ran the marathon (approx. 26.1) in 2 hours and 57 min. What was the average speed of the runner in m/s? I understand that I would have to divide the total distance by the total time, but I'm not sure how they changed the miles to meters. Please detalied steps of how to solve this so I can understand it. Thank you!What is the average velocity of this displacement time graph. My answer is 0.0833m/s because I am diving the final displacement of 2 metres by 24 seconds.Please keep in mind only use the whole number quanities in the graph such as in cooridinate- (7,4.5)youtube.com/watch?v=srDeACrSf-o&t=12s In the video, I drop a ball off a three-story balcony. We know that objects in freefall follow the equation for height h, in meters, h=−4.9t2+ch=-4.9t2+c, where t is time in seconds, and c is the initial height. A student timed the drop at 1.51 seconds.Use this to determine the height from which the ball was dropped, to at least 2 decimal places.
- Hi, I need help with this physcis problem. I've gone over it multiple times and can't firgure it out. Anyway you can help? A car, initially at rest, accelerates at a constant rate of 2 m/s2 due east (choose east as the positive direction; round your answer to the nearest meter per second; include units)What is its velocity after 1 second? What is its velocity after 2 seconds? What is its velocity after 3 seconds? What is its velocity after 4 seconds? What is its velocity after 5 seconds? What is its velocity after 9 seconds? If instead a car accelerates at a constant rate of 5 m/s2 due eastWhat is its velocity after 1 second? What is its velocity after 2 seconds? What is its velocity after 3 seconds? If instead a car accelerates at a constant rate of 5 m/s2 due westWhat is its velocity after 1 second?A fireworks shell has a constant acceleration from rest to a velocity of 68 m/s over a distance of 9.5 m. How long, in seconds, does the acceleration last? And calculate the acceleration, in meters per second squared. Please explain how you got your answer in detail.Based on a grade 11 physics student, answer the following question: The position-time graph below represents the motion of two speed skaters, Bill and Ted on their Excellent Adventure as they time travel back to the 1952 winter Olympics in Oslo. What was Ted’s velocity at 20s? What was Bill’s velocity during the middle portion of the race? What was Ted’s average velocity throughout the race? What was Ted’s acceleration through the race? (assume constant) Make a velocity-time graph of Bill & Ted’s Speed Skating race.
- A student walks around in front of a motion detector that records her velocity at1-second intervals for 36 seconds. She stores the data in her graphing calculator anduses it to generate the time-velocity graph shown in Figure 3.25. Describe her motionas a function of time by reading the velocity graph. When is her speed a maximum?Provide an explanation outlining the underlying physics principle and using correct terminologies. In answering these problems, apply appropriate formulae, principles, and equations What is the instantaneous velocity of a freely falling object 10 seconds after it is released from a position of rest? What is the average velocity during this 10 second time interval? How far will it fall during this time?George walks to a friend’s house. He walks 750 meters North, then realizes he walked too far. He turns around and walks 250 meters South. The entire walk takes him 13 seconds. What is his velocity in meters per second? Also, is the acceleration due to gravity negative or positive or it depends? I'm really confused. Please help and explain in an easy to understand.