Compute constant negative angular acceleration of magnitude
An electric motor rotating a workshop grinding wheel at a rate of 113 rev/min is switched off. Assume the wheel has a constant negative angular acceleration of magnitude 2.20 rad/s2.
a) How long does it take for the grinding wheel to stop?
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A 42 kg pole vaulter running at 11 m/s vaults over the bar. Her speed when she is above the bar is 0.7 m/s. Neglect air resistance, as well as any energy absorbed by the pole, and determine her altitude as she crosses the bar.
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Review section 2.2 about the various research methods used by sociologists, then address the following questions.
Question: Which statement is true regarding psychometrists? Need Assignment Help? Question options:
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