What does the atomic number tell us about an atom of a certain element?

Work = force × a. work b. energy c. distance d. momentum

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

You have 80 g of 60oc water and 80 g or 10oc water. what is the final temperature when the two are mixed? explain.