Question

(10%) Problem 8: An object rolls off a tabletop with a horizontal velocity vos 8 m/s. The table is at a height yo 1.85 m, above the floor. Use a coordinate system with its origin on the floor directly beneath the point where the object rolls off the table, its horizontal x-axis lying directly beneath the object's trajectory, and its vertical y-axis pointing up. 25% Part (a) How long, in seconds, is the object falling before it hits the floor? Grade Summary Deductions 0% Potential 100% Submissions sin) tan0 7 9 cos0 Attempts remaining: 5 (0% per attempt) detailed view 6 cotan) asin) acos) 4 sinh) 2 3 acotan) 1 atan) cotanh) cosh) tanh0 ODegrees Radians I give up Hint Submit Feedback: 0% deduction per feedback Hints: 0% deduction per hint. Hints remaining: 2 Submission History All Date times are diaplayed in Central Standard Timeed submission date times indicase late work Hints Feedback Date Time Answer à 25% Part (b) What's the horizontal distance, in meters, from the edge of the tabletop to where the object lands? & 25% Part ( c) What is the vertical component of velocity, in meters per second, when the object hits the ground? 25% Part (d) What is the magnitude of the velocity (it's speed) when it hits the floor?
please see parts a-d at bottom of picture. Thank you.

Answer 1

Iwthial hori zontal Vo8m >Data Nertical displacmento 85 m to tall t obiect Time -TMe Tequirtd to all Hae object=. to etquined Conex _2nd kinemahic equaaa fox vertieal displacinent Usiog for vercal displacament a-g9.8 u 4 0 Y. = ox4 +x9.8x2 2 0.3475 0.614y see Time take b 0.6144 seu Herizouta distance aeto 80 61I44 =4.91 5 2 M is 4.9152 m horzoutal distant rorte by object CEisinghinemahseqatia far verkcal inehin N=Utat

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