on which orthese Mus does the ball roll down with increasing speed and decreasin

Question

on which orthese Mus does the ball roll down with increasing speed and decreasing (a) hi A (d) all of the above the none of the above order her weight on 4) A 60 kg person sands each of the following planets Rank in three planets from highest to lowest. A B C (b) C> B A (e)A B C 5) meterstick horizontally with suspended at the end, Rank the You hold a the same mass torque needed to keep the stick steady, from largest to smallest (a) A B C (c) A C B (d) B AA -C (e) B C A 60 Three solid objects are floating in a liquid. Assume the dimension perpendicular to the page (the invisible dimension) is the same for all of them. Rank in order, from largest to smallest, the densities of blocks A, B, and C (a) A B C (b) A C B (c) A C B (d) B> C >A (e) C A B

Explanation / Answer

Question 3) answer) option B)

Reason : in the hill A, since it is straight slanting hill it helps ball roll with constant acceleration and when we consider hill C, its shape will enable ball to roll with increasing acceleration since slope is stepper

Hill B will allow the ball to roll with increasing speed and decreasing acceleration because the slope is a bit steeper, so there is a positive acceleration and the speed will increase along the path

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