A phonograph record accelerates from rest to 45.0 rpm in 4.53 s. (a) What is its...

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A phonograph record accelerates from rest to 45.0 rpm in 4.53 s. (a) What is its angular acceleration in rad/s? Enter a number. known variables to determine which rotational kinematic equation should be used here. rad/s (b) How many revolutions does it go through in the process? rev Supporting Materials (a) Calculate the linear acceleration of a car, the 0.290-m radius tires of which have an angular acceleration of 14.5 rad/s. Assume no slippage and give your answer in m/s. m/s (b) How many revolutions do the tires make in 2.50 s if they start from rest? rev (c) What is their final angular velocity in rad/s? rad/s (d) What is the final velocity of the car in m/s? m/s Supporting Materials An ultracentrifuge accelerates from rest to 100,000 rpm in 3.20 min. (a) What is its angular acceleration in rad/s? rad/s (b) What is the tangential acceleration, in m/s, of a point 11.55 cm from the axis of rotation? m/s (c) What is the radial acceleration, in m/s, of this point at full rpm? m/s (d) Express this radial acceleration as a multiple of g. CORDADOSASOL X Enter a number. eg is equivalent to an acceleration of 9.8 m/s^2.g A phonograph record accelerates from rest to 45.0 rpm in 4.53 s. (a) What is its angular acceleration in rad/s? Enter a number. known variables to determine which rotational kinematic equation should be used here. rad/s (b) How many revolutions does it go through in the process? rev Supporting Materials (a) Calculate the linear acceleration of a car, the 0.290-m radius tires of which have an angular acceleration of 14.5 rad/s. Assume no slippage and give your answer in m/s. m/s (b) How many revolutions do the tires make in 2.50 s if they start from rest? rev (c) What is their final angular velocity in rad/s? rad/s (d) What is the final velocity of the car in m/s? m/s Supporting Materials An ultracentrifuge accelerates from rest to 100,000 rpm in 3.20 min. (a) What is its angular acceleration in rad/s? rad/s (b) What is the tangential acceleration, in m/s, of a point 11.55 cm from the axis of rotation? m/s (c) What is the radial acceleration, in m/s, of this point at full rpm? m/s (d) Express this radial acceleration as a multiple of g. CORDADOSASOL X Enter a number. eg is equivalent to an acceleration of 9.8 m/s^2.g