A2.0 m × 4.0 m flat carpet acquires a uniformly distributed charge of −10 μc after you and your friends walk across it several times. a 1.5 μg dust particle is suspended in midair just above the center of the carpet.

Acentrifuge in a medical laboratory rotates at an angular speed of 3,700 rev/min. when switched off, it rotates through 54.0 revolutions before coming to rest. find the constant angular acceleration (in rad/s2) of the centrifuge. your response is within 10% of the correct value. this may be due to roundoff error, or you could have a mistake in your calculation. carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. rad/s2