radius Problem 2.14 A fly is running around on the surface of a sphere 0.10 m. You have nothing better to do, so watch it for a while and you realize that its position on the sphere is given by 0 = 2t², o = 6t. Write an expression for the fly's velocity in spherical coordinates. What is the fly's speed at t = 2 s?
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- Huck Finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft's motion relative to the shore). The raft is traveling down the Mississippi River at a speed of 1.77 m/s relative to the river bank (see the figure (Figure 1)). Figure 10.60 m/s River 1 of 1 Y ▼ Part A What is Huck's velocity (speed and direction) relative to the river bank? Express your answer to three significant figures and include the appropriate units. Submit Part B 0- Submit Value μA Provide Feedback Request Answer Value ħ Express your answer to three significant figures and include the appropriate units. μA Units Request Answer d C F Units ? ? from the right horizontal directionWrite the actual function that you expect the velocity to obey as a function of time (recall that the initial velocity was 17 m/s). Your function should be a function of time (i.e. the t variable should be left as an independent variable) but all other values should be filled in with numbers. Based on your answer above, what type of curve would you expect the position vs. time function to obey? i.A constant (horizontal) curve? ii.A linear curve? iii.A quadratic (parabolic) curve? iv.Another type of curve, such as cubic, exponential, sine, square root, etc...? Circle an answer from above and explain how you use your answer to the above question and the relationship between position and velocity to arrive at your conclusion.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.)
- Needs Complete solution with 100 % accuracy. Otherwise skip if you can't give complete solution for both of them.After Physics Lab, a student undergoes displacements (moves) -60 m East +20 m North. a. What was the magnitude and angle for their total displacement?Hi! Please help with a-c. Thank you in advance