science

A Boy of mass 25 kg climbs atop a playground slide of height h= 3 m. When the boy slides down the inclined board, the work done to overcome friction is 550 Joule. What is the boy’s speed before he touches the ground.

  1. 👍 0
  2. 👎 0
  3. 👁 110
asked by pooja
  1. 25

    1. 👍 0
    2. 👎 0
    posted by rom

Respond to this Question

First Name

Your Response

Similar Questions

  1. English

    On the playground, there are two fathers and three kids. There is a slide on the playground. On the slide a boy is sliding down upside down, and his father is catching the boy. The other father is holding a girl in her left hand.

    asked by rfvv on November 4, 2013
  2. Physics

    A 70.0 kg boy compresses a spring by 0.500 m and slides down a frictionless slide. The slide leads into a 30° ramp that has a coefficient of kinetic friction of 0.110 with the boy. If the spring constant in the spring is 52000

    asked by Anonymous on November 23, 2015
  3. physics

    A child, starting from rest at the top of a playground slide, reaches a speed of 7.0 meters per second at the bottom of the slide. What is the vertical height of the slide? [Neglect friction.]

    asked by ashley --- HELP PLEASEE!!! on May 8, 2011
  4. engineering

    a boy of mass 40kg is sliding down the spiral slide at a constant speed such that his position is measured by theta=(0.7t) rad and z=(-0.5t) m where t is in seconds. How do you find the components of forces Fr, Ftheta and Fz which

    asked by sarah on November 15, 2008
  5. physics

    A 29.0 kg child slides down a long slide in a playground. She starts from rest at a height h1 of 17.00 m. When she is partway down the slide, at a height h2 of 8.00 m, she is moving at a speed of 6.90 m/s. Calculate the mechanical

    asked by Emily on September 30, 2012
  6. Physics

    At a playground, a 22kg child plays on a slide that drops through a height of 2.1m. The child starts at rest at the top of the slide. On the way down, the slide does a nonconservative work of -371J on the child. What is the

    asked by Amanda on November 11, 2015
  7. Physics please help!!

    A 30.0 kg child slides down a long slide in a playground. She starts from rest at a height h1 of 18.00 m. When she is partway down the slide, at a height h2 of 9.00 m, she is moving at a speed of 9.30 m/s. Calculate the mechanical

    asked by Megan on February 11, 2011
  8. physics

    A 34.0 kg child slides down a long slide in a playground. She starts from rest at a height h1 of 22.00 m. When she is partway down the slide, at a height h2 of 11.00 m, she is moving at a speed of 8.40 m/s. Calculate the

    asked by Anonymous on November 14, 2011
  9. physics

    At a playground, a 19.7-kg child plays on a slide that drops through a height of 2.29 m. The child starts at rest at the top of the slide. On the way down, the slide does a nonconservative work of -368 J on the child. What is the

    asked by uknown person on December 4, 2017
  10. physics

    At a playground, a 19.8 kg child plays on a slide that drops through a height of 2.13 m. The child starts at rest at the top of the slide. On the way down, the slide does a nonconservative work of -319 J on the child. What is the

    asked by mike on March 8, 2012

More Similar Questions