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Can you have a zero displacement and a nonzero average velocity? Explain.
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- Which of the following situations is impossible? O A. An object has velocity directed east and acceleration directed west. B. An object has velocity directed east and acceleration directed east. OC. An object has constant non-zero velocity and changing acceleration. O D.An object has zero velocity but non-zero acceleration. E. An object has constant non-zero acceleration and changing velocity.Could I have help with this average speed and velocity problem. I already know the answers"average velocity = 2.7 m/s due east, average speed = 8.0 m/s" but I need a detailed explanantion on how and why because I am not understanding and getting the same answersYou take your dog on a walk to a nearby park. On the way, yourdog takes many short side trips to chase squirrels, examine fire hydrants, and so on. When you arrive at the park, do you and yourdog have the same displacement from home? Have you and yourdog traveled the same distance? Explain
- Which of the following situations is impossible? O A. An object has velocity directed east and acceleration directed east. B. An object has zero velocity but nonzero acceleration. OC An object has constant nonzero velocity and changing acceleration. O D. An object has constant nonzero acceleration and changing velocity. O E. An object has velocity directed east and acceleration directed vwest.Can an object have a negative acceleration and be speeding up? If so, describe a possible physical situation and a corresponding coordinate system. If not, explain why not.You run due east at a constant speed of 3.00 m/s for a distance of 120.0 m and then continue running east at a constant speed of 5.00 m/s for another 120.0 m. For the total 240.0 m run, is your average velocity 4.00 m/s, greater than 4.00 m/s, or less than 4.00 m/s? Explain.
- A BS Chemistry students in physics class are conducting a research project on projectile motion constructs a device that can launch a pingpong ball. The launching device is designed so that the ball can be launched at ground level with an initial velocity of 28 m/s at an angle of 30° to the horizontal. At what time will the ball reach its maximum height? 28 m s-1 30 ground level O 1.43 s 2.86 s O 2 s 1 SIf the velocity of a particle is nonzero, can the particle’s acceleration be zero? Explain.Is this the average velocity overall?I do not want to know a specific segment but the overall average velocity
- If you travel in a straight line at 50 km/h for 1 h and at 100 km/h for another hour, is your average velocity 75 km/h? If not, is it more or less? Explain.I am having trouble with an average speed problem. The problem states that a person walks at 4.5 meters per second from point a to b. Then walks back from point b to a at a speed of 3.2 m/s. I know that average speed is displacement/time. However I am not sure how to calculate time or displacement from the two givens. The problem also gives that the average velocity is 0.A boy standing on a 2.0 m platform kicks a soccer ball at a 8.0 m tall wall 5 m away. The ball has an initial velocity of 12 m/s, 15 above horizontal. How fast does the ball strike the wall? 8 m wall 5 т