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PHY 101-Written assignment 3 Due Tuesday, 9/19/17 1. For each of thelowing scena

ID: 1655752 • Letter: P

Question

PHY 101-Written assignment 3 Due Tuesday, 9/19/17 1. For each of thelowing scenarios, eirher give an example to show how it is possible or explain why it is impossible (a) An object is speeding up and the x component of its acceleration is positive. (b) An object is speeding up and the x-component of its acceleration is negative. (e) An object is speeding up and its acceleration is ne (d) An object is speeding up and its acceleration is decreasing (e) An object is maintaining constant speed and its acceleration is not nro. () An object is maintaining constant velocity and its acceleration is not zcno (g) An object's velocity is zero and its acceleratiom is not zoro h) An object is moving upward and its acceleration is nero 2. While vacationing on a planct whose gravity is weaker than Earth's, I toss a ball straight upward at a time I'll call t-0. The ball reaches its masmum height at t-1.0 and at that very moment my dog, standing directly under the ball jumps straight up to catch it in midair. The dog dogs indeed catch the ball, at the peak of the dog's jump. at t 1.5 s (a) On a single set of ases, sketch praphs of the y coordinates of the dog and hall as fonctions of time. Take upward to be the positive y direction (b) On a single set of axes, sketch graphs of the y-components of the hall's velcity and the dog's velocity, as functions of time (s) At 1-09s the y-component of the ball's velocity was +0.37 m's and at t1.1s iwas-037m's What was the ycomponont of the hall's acoeleration during that time interval (d) What was the ball's acceleration at t-1.0s? (e) What was the ball's velocity the moment before the dog caught i?

Explanation / Answer

a)possible

Net force may along x axis

b)speeding up along negative x axis

c)not possible

d)possible

e)possible in uniform circular motion

f)impossible

g)possible.At max height of vertically projected body

h)possible in lift net force zero