A small block B fits inside a slot cut in arm OA that rotates in a vertical plane at a constant rate. The block remains in contact with theend of the slot closest to A and its speed is 1.4 m/s for 0 ≤ θ ≤ 150°.Knowing that the block begins to slide when θ = 150°, determine thecoefficient of static friction between the block and the slot.

hi there!

out of the two, (b) precision would be more reasonable.   however, both a and b could be pretty reasonable.

-awesomerepublic   : )

its c i just checked it

answer: 2×10^-2kg

explanation: density= mass per volume

vol=mass/density

converting to s.i units we have;

3÷1000kg = 0.003

1.5÷100m = 0.15

0.003/0.15 = 0.02kg

there are no components of a physical goal mentioned on the list of choices that you've provided.