a student pushes a 40-n block across the floor for a distance of 10 m. how much work was done to move the block? 4 j 40 j 400 j 4,000 j

The graph below represents the work done by a student while running up flights of stairs. determine the student's power output after 10 seconds: 1600 j/s 8000 j/s 160 j/s 800 j/s

What is the length x of the side of the triangle below? (hint: use the cosine function)

Time remainin52: 42the chart shows data for a moving object.which conclusion is best supported by the information inthe chart? time (s)velocity (m/s