Evaluate the efficiency of two identical-looking conveyor belts. belt a can move a 10 newtons weight one meter in 3 seconds. belt b can move a 10 newtons weight 2 meters in 3 seconds

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong chain

Ms.hidalgo opens the door to her classroom. her classroom is 60 degrees and the air outside is 80. predict what will happen using your knowledge of how heat flows.

How many neutrons does plutonium -196 with an atomic number of 78.