The crankshaft AB is rotating at a constant angular velocity with a magnitude 15

Question

The crankshaft AB is rotating at a constant angular velocity with a magnitude 150 rad/s. Determine the magnitude, in ft/s, of the absolute velocity of joint B at 6 =30degree. Express your answer to 4 decimal places. Type your answer in the box below. Leave out the unit any negative sign. After typing in your answer, click anywhere outside the box to see what you have typed exactly. Do NOT press the space bar. Based on Question 3, determine the magnitude, in ft/s2, of the absolute acceleration of joint B. Express your answer to 4 decimal places. Type your answer in the box below. Leave out the unit and any negative sign. After typing in your answer, click anywhere outside the box to see what you have typed exactly. Do NOT press the space bar. Based on Question 3 and at 6=30degree piston P is moving toward joint A at 18.5 ft/s, determine the magnitude, in rad/s, of the angular' velocity of connecting rod BP. Express your answer to 4 decimal places. Type your answer in the box below. Leave out the unit any negative sign. After typing in your answer, click anywhere outside the box to see what you have typed exactly. Do NOT press the space bar.

Explanation / Answer

as we know,

absolute velcity=radius*angular velocity

absolute velocity of point B(v=r*w=0

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