Physics, 04.06.2021 17:50, thedaisylopez3628

Two students each carry a box up to the third floor of a building. The total mass of each student and the box she is carrying is the same. Roberta makes the trip in 45 s while
Mary takes 30 s. Which of the following statements best describes this task?

A. Roberta has a greater power output than Mary
B. Mary does more total work than Roberta
C. Roberta does more
Total work than Mary
D. Mary has a greater power output than Roberta

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 18:10, garcser257278

Achild throws a ball with an initial speed of 8.00 m/s at an angle of 40.0° above the horizontal. the ball leaves her hand 1.00 m above the ground. how long is the ball in flight before it hits the ground?

Answers: 1

continue

Physics, 22.06.2019 12:00, jasondesatnick

Explain what happens at the saturation point when adding salt to water at room temperature.

Answers: 3

continue

Physics, 22.06.2019 12:10, davidoj13

Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f

Answers: 2

continue

Physics, 22.06.2019 12:30, cxmochaa

If you place a magnet under a clear dish, and sprinkle iron fillings over it, above what part of the magnet will most of the fillings gather

Answers: 2

continue

Do you know the correct answer?

Two students each carry a box up to the third floor of a building. The total mass of each student a...