Plz show work. A point on a rotating turntable 18.0 cm from the center accelerat

Question

Plz show work.

A point on a rotating turntable 18.0 cm from the center accelerates from rest to a final speed of 0.700 m/s in 1.80 s. At t = 1.28 s, find the magnitude and direction of each of the following. the radial acceleration m/s2 toward the center away from the center in the direction of the rotation in a direction opposite to the rotation the tangential acceleration m/s2 toward the center away from the center in the direction of the rotation in a direction opposite to the rotation the total acceleration of the point m/s2

Explanation / Answer

Radial acceleration: A

Tangential acceleration :a

a=r*A

a= (0.7-0)/1.8 = 0.38889 in the direction of rotation

A = 2.1605 rad/s^2 away from the center

Total accelration = ( 0.3889^2 + 2.1605 ^2 )^0.5 = 2.195 m/s^2

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