Try this! Hold your right hand out with your palm perpendicular to the ground, a

Question

Try this! Hold your right hand out with your palm perpendicular to the ground, as if you were getting ready to shake hands. You can't hold anything in your palm this way because it would fall straight down. Use your left hand to hold a small object, such as a ball or a coin, against your outstretched palm, then let go as you quickly swing your hand to the left across your body, parallel to the ground. You'll find that the object stays against your palm,; it doesn't slip or fall.

a) Is the condition for keeping the object against your palm one of maintaining a certain minimum velocity
v min? or one of maintaining a certain minimum acceleration a min? Explaine.

b)Suppose the object's mass is 50.0 g, with mu_s = 0.850 and mu_k = 0.400 . Determine v min or a_min,
whichever you answered in part a.

Explanation / Answer

it is due to inertia and we need a specific velocity for that

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