Home
Class 12
MATHS
A ladder of length 5 m is leaning agains...

A ladder of length 5 m is leaning against a wall. The bottom of ladder is being pulled along the ground away from wall at rate of `2cm//sec` . How fast is the top part of ladder sliding on the wall when foot of ladder is 4m away form wall.

Promotional Banner

Topper's Solved these Questions

  • DEFINITE INTEGRALS

    RD SHARMA ENGLISH|Exercise All Questions|562 Videos
  • DETERMINANTS

    RD SHARMA ENGLISH|Exercise All Questions|441 Videos

Similar Questions

Explore conceptually related problems

A ladder 13 m long is leaning against a wall. The bottom of the ladder is pulled along the ground, away from the wall, at the rate of 2m/sec. How fast is the height on the wall decreasing when the foot of the ladder is 5 m away from the wall ?

A ladder 5 m long is leaning against a wall. The bottom of the ladder is pulled along the ground, away from the wall, at the rate of 2 cm/s. How fast is its height on the wall decreasing when the foot of the ladder is 4 m away from the wall?

A ladder 5 m long is leaning against a wall. The bottom of the ladder is pulled along the ground, away from the wall, at the rate of 2 cm/s. How fast is its height on the wall decreasing when the foot of the ladder is 4 m away from the wall?

A ladder 5 m long is leaning against a wall. The bottom of the ladder is pulled along the ground,away from the wall at the rate of 10 cm/s. How fast is the angle between the ladder and the ground decreasing when the foot of the ladder is 2 m away from the wall?

A ladder 5 m long is leaning against a wall. The bottom of the ladder is pulled along the ground,away from the wall at the rate of 10 cm/s. How fast is the angle between the ladder and the ground decreasing when the foot of the ladder is 2 m away from the wall?

A ladder 5 m in length is resting against vertical wall. The bottom of the ladder is pulled along the ground away from the wall at the rate of 1.5m/sec. Then the highest point of the ladder when the foot of the ladder is 4.0 m away from the wall , decreases at the rate of

A ladder 13 m long is leaning against a wall. The bottom of the ladder is pulled along the ground away from the wall at the rate of 4 m/sec. Find the rate of decreasing at which the top of the ladder moving downwards on wall when the foot of the ladder is 5 m away from the wall.

A ladder 13m long leans against a wall. The foot of the ladder is pulled along the ground away from the wall, at the rate of 1.5m/sec. How fast is the angle theta between the ladder and the ground is changing when the foot of the ladder is 12m away from the wall.

A ladder 13m long leans against a wall. The foot of the ladder is pulled along the ground away from the wall, at the rate of 1.5m/sec. How fast is the angle theta between the ladder and the ground is changing when the foot of the ladder is 12m away from the wall.

A 13 m long ladder is leaning against a wall, touching the wall at a certain height from the ground level. The bottom of the ladder is pulled away from the wall, along the ground, at the rate of 2 m/s. How fast is the height on the wall decreasing when the foot of the ladder is 5 m away from the wall ?

RD SHARMA ENGLISH-DERIVATIVES AS A RATE MEASURER -All Questions
  1. find dy/dx if y= sinx.cosx

    Text Solution

    |

  2. find dy/dx if y = x tanx

    Text Solution

    |

  3. A ladder of length 5 m is leaning against a wall. The bottom of ladde...

    Text Solution

    |

  4. The two equal sides of an isosceles triangle with fixed base b are dec...

    Text Solution

    |

  5. An airforce plane is ascending vertically at the rate of 100 km/h. ...

    Text Solution

    |

  6. Water is dripping out from a conical funnel of semi-vertical angle pi/...

    Text Solution

    |

  7. Sand is pouring from a pipe at the rate of 12 c m^3//s . The falling s...

    Text Solution

    |

  8. An inverted cone has a depth of 10cm and a base of radius 5cm. Water i...

    Text Solution

    |

  9. Water is dripping out from a conical funnel at a uniform rate of 4c m^...

    Text Solution

    |

  10. A solid sphere of radius 2.45m is rotating with an angular speed of 10...

    Text Solution

    |

  11. A solid sphere of radius 2.45m is rotating with an angular speed of 10...

    Text Solution

    |

  12. Water is running into a conical vessel, 15cm deep and 5cm in radius, a...

    Text Solution

    |

  13. A water tank has the shape of an inverted right circular cone with ...

    Text Solution

    |

  14. A man is moving away from a tower 41.6 m high at the rate of 2 m/sec. ...

    Text Solution

    |

  15. A kite is moving horizontally at a height of 151.5 m. If the speed of ...

    Text Solution

    |

  16. The side of a square sheet is increasing at the rate of 4cm per minute...

    Text Solution

    |

  17. An edge of a variable cube is increasing at the rate of 3 cm per se...

    Text Solution

    |

  18. The side of a square is increasing at the rate of 0.2 cm/sec. Find the...

    Text Solution

    |

  19. The radius of a circle is increasing at the rate of 0.7 cm/sec. Wha...

    Text Solution

    |

  20. The radius of a spherical soap bubble is increasing at the rate of ...

    Text Solution

    |