Home
Class 12
PHYSICS
The farm house shown in figure has recta...

The farm house shown in figure has rectangular shape and has sides parallel to the chosen x and y axes. The position vector of corner A is 125 m at `53^(@)` and corner C is 100 m at `37^(@)` from x axis. Find the length of the fencing required in meter.

Text Solution

Verified by Experts

The correct Answer is:
90m
Promotional Banner

Topper's Solved these Questions

  • UNIT & DIMENSIONS, BASIC MATHS AND VECTOR

    ALLEN |Exercise Exercise (S-2)|7 Videos

  • UNIT & DIMENSIONS, BASIC MATHS AND VECTOR

    ALLEN |Exercise Exercise (O-1) Single Correct Type Questions.|37 Videos

  • UNIT & DIMENSIONS, BASIC MATHS AND VECTOR

    ALLEN |Exercise Solved Examples|7 Videos

  • TEST PAPERS

    ALLEN |Exercise MATHS|1 Videos

  • WAVE OPTICS

    ALLEN |Exercise Exercise 2 (Previous Year Questions)|7 Videos

Similar Questions

Explore conceptually related problems

Two blocks each of mass m, connected by an un-stretched spring are kept at rest on a frictionless horizontal surface. A constant force F is applied on one of the blocks pulling it away from the other as shown in figure. (a)Find accelaration of the mass center. (b) Find the displacement of the centre of mass as function of time t. (c) If the extension of the spring is X_(0) at an instant t, find the displacements of the two blocks relative to the ground at this instant.

Find the equation of a straight line on which length of perpendicular from the origin is four units and the line makes an angle of 120° with the positive direction of X -axis. Thinking Process : Equation of line which makes an angle alpha with positive side of X axis and whose length of perpendicular from origin p is given by x cos alpha+ y sin alpha = p .

A thin equiconvex lens of glass of refractive index mu=3//2 & of focal length 0.3m in air is sealed into an opening at one end of a tank filled with water (mu=4//3) .On the opposite side of the lens ,a mirror is placed inside the tank on the tank wall perpendicular to the lens axis ,as shown in figure .the separation between the lens and the mirror is 0.8m A small object is placed outside the tank in front of the lens at a distance of 0.9 m form the lens along its axis .Find the position (relative to the lens)of the image of the object fromed by the stsyem.

An electromagnetic wave of electric field E=10 sin (omega t-Kx)N//C is incident normal to the cross - sectional area of a cylinder of 10 cm^(2) and having length 100 cm, lying along X - axis. Find (a) the energy density, (b) energy contained in the cylinder, (c ) the intensity of the wave, (d) momentum transferred to the cross - sectional area of the cylinder in 1 s, considering total absorption, (e ) radiation pressure. [epsilon_(0)=8.854xx10^(12)C^(2)N^(-1)m^(-2), c=3xx10^(8)ms^(-1)]

A particle moving parallel to x-axis as shown in fig. such that at all instant the y-axis component of its position vector is constant and is equal to 'b'. Find the angular velocity of the particle about the origin when its radius vector makes angle theta from the axis.

IF the distribution of weight is uniform, then the rope of the suspended bridge takes the form of parabola.The height of the supporting towers is 20m, the distance between these towers is 150m and the height of the lowest point of the rope from the road is 3m. Find the equation of the parabolic shape of the rope considering the floor of the parabolic shape of the rope considering the floor of the bridge as X-axis and the axis of the parabola as Y-axis. Find the height of that tower which supports the rope and is at a distance of 30 m from the centre of the road.

A thin rod of length 6 m is lying along the x-axis with its ends at x=0 and x=6m. Its linear density *mass/length ) varies with x as kx^(4) . Find the position of centre of mass of rod in meters.

X and Y are large, parallel conducting plates close to each other. Each face has an area A . X is given a charge Q . Y is without any charge. Points A,B and C are as shown in the figure.

A wedge as shown in figure has a rough curved surface of coefficient of kinetic friction (1)/sqrt(3) whose shape can be given by equation y=x^(2) , where the horizontal direction is x-axis, vertical direction as y axis and the end of surface O as origin and x & y are measured in meter. A small block is released, from a certain point on the surface. The maximum height of the point from where block should be released so that it does not slip.

In the figure shown a converging lens and a diverging lens of focal lengths 20cm and -5cm respectively are separated by a distance such that a paralle beam of light of intensity 100 watt//m^(2) incident on the converging lens comes out as parallel beam from the diverging lens. Find the intensity of the outgoing beam in watt//m^(2)

ALLEN -UNIT & DIMENSIONS, BASIC MATHS AND VECTOR -Exercise (S-1)
  1. The time period (T) of a spring mass system depends upon mass (m) & s...

    Text Solution

    |

  2. The distance moved by a particle in time from centre of ring under th...

    Text Solution

    |

  3. A satellite is orbiting around a planet. Its orbital velocity (V(0)) i...

    Text Solution

    |

  4. Assume that the largest stone of mass 'm' that can be moved by a flowi...

    Text Solution

    |

  5. Given vecF=(veca)/(t) where symbols have their usual meaning. The dime...

    Text Solution

    |

  6. A block is applied two forces of magnitude 5N each. One force is actin...

    Text Solution

    |

  7. Two forces act on a particle simultaneously as shown in the figure. F...

    Text Solution

    |

  8. The maximum and minimum magnitudes of the resultant of two forces are ...

    Text Solution

    |

  9. Three forces of magnitudes 2N, 3N and 6N act at corners of a cube alon...

    Text Solution

    |

  10. The farm house shown in figure has rectangular shape and has sides par...

    Text Solution

    |

  11. Vector B has x,y and z components of 4.00,6.00 and 3.00 units, respect...

    Text Solution

    |

  12. Three ant P,Q and R are pulling a grain with forces of magnitude 6N,3s...

    Text Solution

    |

  13. Three boys are pushing horizontally a box placed on horizontal table. ...

    Text Solution

    |

  14. Consider the two vectors : vecL=1hati+2hatj+3hatk " and " vecl=4hati+h...

    Text Solution

    |

  15. Find component of vector vec(a)=hati+hatj+3hatk in directions parallel...

    Text Solution

    |

  16. Calculate vecr=veca-vecb+vecc where veca=5hati+4hatj-6hatk, vecb=-2hat...

    Text Solution

    |

  17. If the velocity of a particle is (2hati+3hatj-4hatk) and its accelerat...

    Text Solution

    |

  18. Quito, a city in Ecuador and Kampala, a city situated in Uganda both l...

    Text Solution

    |

  19. Use the approximation (1+x)^(n)~~1+nx,|x|ltlt1, to find approximate va...

    Text Solution

    |

  20. Use the small angle appoximate to find approximate values for (A) sin ...

    Text Solution

    |