physics

a boy who can generate 500 w runs up a flight of stairs in 5.0 s.how high are the stairs if the boy has a mass of 62 kg.

  1. 👍 0
  2. 👎 0
  3. 👁 326
  1. Enegy-A Boy Weighing 350 Newton Runs Up A Flight Of Stairs Consisting Of 20

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. math

    a rabbit climb up a flight of 10 stairs and can only hop 1 or 2 steps each time. he never hops down, only up. How many ways can the rabbit hop up the flight of 10 steps?

  2. physics

    a boy tosses a coin upward with a velocity of 14.7 m/s. a. find the maximum height reached by the coin. b. time of flight c. velocity when the coin returns to the hand d. suppose the boy failed to catch the coin and the coin goes

  3. Physics

    A girl whose weight is 30 N runs up a flight of stairs 5 m in 6 s. What is her average power

  4. Language Arts

    Read this excerpt from A Girl from Yamhill. In the morning I descended from the bedroom by sliding down the banister railing, which curved at the end to make a flat landing place just right for my bottom. At night I climbed the

  1. physics

    A passenger on a boat moving at 1.70 m/s on a still lake walks up a flight of stairs at a speed of 0.60 m/s. The stairs are angled at 45° pointing in the direction of motion as shown in figure below. Write the vector velocity of

  2. Physics ~please help me~

    1.) Two people of the same mass climb the same flight of stairs. The first person climbs the stairs in 25 s; the second person does so in 35 s. a) Which person does more work?Explain b) Which person produces more power?Explain 2.)

  3. physics

    a boy weighing 350N runs up a flight of stairs consisting of 20 steps each 10cm high in 10 seconds. What is his power? show your workings

  4. physics

    A boy of mass 50kg runs up a set of stairs of total height of 3.0m.find the work done against gravity

  1. Physics

    A boy whose mass is 40kg runs up a flight of 30 steps each 150mm high in 6seconds. Find the average power developed (take g as 10m/s^2.

  2. physics

    At what rate is a 60.0-kg boy using energy when he sprints up a flight of stairs 10.0 m high in 8.00 s? A. 75.0 W B. 48.0 W C. 735 W D. 480 W E. 4.80 kW

  3. science

    a pupil of mass 50 kg runs a flight of 20 stairs each 25cm high in a time of 20 seconds (take g= N/kg calculate the pupil s gain in potential energy

  4. PHYSICS

    A) The average power output of the human heart is 1.33 watts. How much energy does the heart produce in a day? B) Compare the energy found in part (a) with the energy required to walk up a flight of stairs. Estimate the height a

You can view more similar questions or ask a new question.