If the thermal energy of the system increases by 400 J, and 1,100 J of heat were added to the system, how much work did the system do? 400 J

700 J

1,100 J

1,500 J

What type of nuclear decay causes the atomic number of an element to increase by 1?

The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?