At the instant shown, the car is traveling around a curve with a speed of 8 m/s which is increasing at 2 m/s². The curve can be described by the equation y = 0.1x3 + 0.25x², and the car is currently shown at x = 1.5 m. Determine the magnitude of the car's acceleration at this instant. %3D
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- 1. Draw a qualitative motion diagram (including both velocity and acceleration vectors) for the following objects in the following situations: Be sure to show the vector subtraction that supports how you got your acceleration vectors. a) Viewed from above, a car traveling around a traffic circle having radius R at constant speed. b) A person in a perfectly circular roller coaster loop-de loop having radius R. (Note: higher speed at the bottom of the loop than the top)Hint 1 object's at t = 1 s and t = 6 s. An object has an acceleration of +1.2 cm/s². At t = 4 s, its velocity is -3.4 cm/s. Determine the v(t = 1 s) cm/s %3D cm/s %3D (s 9 = ?)aNeeds Complete typed solution with 100 % accuracy.
- A cat walks in a straight line, which we shall call the -axis, with the positive direction to the right. As an observant physicist, you make measurements of this cat's motion and construct a graph of the feline's velocity as a function of time (Figure 1). I. Calculate the area under the graph between t = 0 and t = 6.0 s. (Express your answer to two significant figures and include the appropriate units.) II. For the time interval t = 0 to t = 6.0 s, what is the magnitude of the average velocity of the cat? (Express your answer to two significant figures and include the appropriate units.) III. Use constant-acceleration equations to calculate the distance the cat travels in this time interval. (Express your answer to two significant figures and include the appropriate units.)How long does it take a car to cross a 28.7 m- wide intersection after the light turns green, if the car accelerates from rest at a constant a = 4.6 m/s²? Give the numerical value only. %3DA runner is going 7 m/s around a curved section of track that has a radius of 64 m. What is the runner's acceleration? m/s2 radially inward
- During a NASCAR race a car goes 68 m/s around a curved section of track that has a radius of 280 m. What is the car's acceleration? m/s2 radially inwardPlease answers parts a and bA motorist travels 70 km at 120 km/h, and 65 km at 95 km/h. ▼ Part A What is the average speed for the trip? Express your answer using three significant figures. Uav = Dig Templates Symbols undo redo reset keyboard shortcuts help ΑΣΦΑ / C km/h