A block weighing 0.4 N is used to balance the bar. Calculate how far from the pivot the block needs to be placed to balance the bar.
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Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.

Acar travels 40m in 8 seconds find the car speed

Newtons view of arrangement of the universe. don't copy from anywhere.