contestada

Two people who weigh the same climb a flight of stairs. The first person climbs the stairs in 20 seconds, while the second person climbs them in 40 seconds. Which of the following statements is true?

Question 1 options:

The first person does more work against the gravity than the second person.


The second person uses more power than the first person.


The second person does more work against the gravity than the first person.


The first person uses more power than the second person.


The first person uses the same power as the second person.

Respuesta :

Answer:

The first person uses more power than the second person.

Explanation:

Both do the same amount of work as they raise the same weight (force) the same distance.

As the first person does that work in half of the time of the second person, the first person puts out twice as much power, the rate of doing work.

Otras preguntas