A car is travelling to the right with a speed of 42\,\dfrac{\text m}{\text s}42 s m 42, start fraction, start text, m, end text, divided by, start text, s, end text, end fraction when the driver slams on the brakes. The car skids for 4.0\,\text s4.0s4, point, 0, start text, s, end text with constant acceleration before it comes to a stop. How many meters did the car skid before coming to a stop?

The ph of your mouth is very similar to that of stomach. true or false?

Asmall metal bar, whose initial temperature was 10° c, is dropped into a large container of boiling water. how long will it take the bar to reach 70° c if it is known that its temperature increases 2° during the first second? (the boiling temperature for water is 100° c. round your answer to one decimal place.) sec how long will it take the bar to reach 98° c? (round your answer to one decimal place.)

How does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?