physics

posted by .

a 70.o kg student runs up a 5.00 meter high stairway in a time of 5 seconds. how many watts of power did she develop?

  • physics -

    m g h / t

    70 * 9.8 * 5 / 5 = 686 Joules per second or Watts

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Math/Physics

    crain carries concrete = 610kg distance carried vertically = 91m time carried = 90 seconds What is the kilo watt?
  2. physics

    A man whose mass is 75kg walks up a flight of 12 steps each 20 cm high in 5 seconds . Find the power he develops in watts
  3. physics

    In a time of 10s, a 70 kg student runs up 2 flights of stairs whose combined vertical height is 8.0m. compute the student's power output in doing work against gravity in (a)watts and (b)horsepower
  4. physics

    A 680 newton student runs up a flight of stairs 3.5 m high in 11.4 seconds. The student takese 8.5 seconds to run up the same flight of stairs during a second trial. 1)Find the work done by the 680 N student in climbing the stairs …
  5. physics

    a 50 kg student who is late runs up two flights of stairs whose combined vertical height is 7.0 m in 10 s (and he then silently enters the classroom while the professor is writing on the chalkboard).Calculate the student's power output …
  6. Physics

    George pushes a wheelbarrow for a distance of 12 meters at a constant speed for 35 seconds by applying a force of 20 newtons. What is the power applied to push this wheelbarrow?
  7. Physics

    A 100 watts light bulb has an average life of 2000 hours. How much energy does it consume over its lifetime?
  8. Physics

    A 100 watts light bulb has an average life of 2000 hours. How much energy does it consume over its lifetime?
  9. Physics

    At the gym, a woman lifts 40 kilograms of weights on the leg press machine. It takes her 0.5 seconds to raise the weights a vertical distance of 0.4 meters. How much power does the woman generate when lifting the weights?
  10. physics

    A student in the fitness center lifts a weight with m = <81.5> kg from the floor to a height of <2.7> meters in a time of <15.50> seconds. Find the average power exerted by the student during this time. Give your …

More Similar Questions