Home
Class 11
PHYSICS
A particle is projected from a tower as ...

A particle is projected from a tower as shown in figure, then find the distance from the foot of the tower where it will strike the ground. `(g=10m//s^(2))`

Text Solution

Verified by Experts

`u_(y)=u sin theta =500/3sin37^(@)`
`s=ut+1/2at^(2)`
`1500=(500/3sin37)t+1/2(10t)^(2)`
`1500=500/3(3/5)t+5t^(2)`
`300=20t+t^(2) rArr t=20s`
`:.` horizontal distance `=(u cos theta)t`
`=500/3(4/5)10=4000/3m`
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A PLANE

    NARAYNA|Exercise C.U.Q|36 Videos

  • MOTION IN A PLANE

    NARAYNA|Exercise Level-I(C.W)|43 Videos

  • MECHANICAL PROPERTIES OF SOLIDS

    NARAYNA|Exercise LEVEL-II (H.W)|24 Videos

  • MOTION IN A STRAIGHT LINE

    NARAYNA|Exercise Level 2 H.W|29 Videos

Similar Questions

Explore conceptually related problems

Particle projected from tower fo heigh 10m as shown in figure. Find the time (in sec) after which particle will hit the ground.

A projectile of mass 3m is projected from ground with velocity 20sqrt2 m//s at 45^@ . At highest point it explodes into two pieces. One of mass 2m and the other of mass m. Both the pieces fly off horizontally in opposite directions. Mass 2m falls at a distance of 100m from point of projection. Find the distance of second mass from point of projection where it strikes the ground. (g=10m//s^2)

A ball is projected from a point O as shown in figure it will strike the ground after (g = 10 m/ s^(2) )

A ball is projected from a point O as shown in figure. It will strike the ground after (g = 10 m//s^(2))

A stone is thrown up from the top of a tower 20,m with a velocity of 24m/s a tan elevation of 30^(@) above the horizontal. Find the horizontal distance from the foot of the tower to the point at which the stone hits the ground. Take g = 10 m//s^(2)

A particle is dropped from a tower 180 m high. How long does it take to reach the ground ? What is the velocity when it touches the ground ? Take g=10m//s^(2) .

A ball is thrown with velocity 40 m//s at angle 30^(@) with horizontal from the top of a tower of height 60 m . At what horizontal distance from the foot of tower, the ball will strike the gorund ?

In the figures shown, three particles are thrown from a tower of height 40 m as shown in figure. In each case find the time when the particles strike the ground and the distance of this point from foot of the tower. , , .

A stone is projected at an angle alpha to the horizontal from the top of a tower of height 3h If the stone reaches a maximum height h above the tower, then calculate the distance from the foot of the tower where particle strikes the foot of the where particle strikes the ground.

A body is thrown horizontally from the top of a tower of height 5m. It touches the ground at a distance of 10 m from the foot of the tower. The initial velcotiy (in m/s) of the body is (g=10ms^(-2) )

NARAYNA-MOTION IN A PLANE-Level-II(H.W)
  1. A particle is projected from a tower as shown in figure, then find the...

    Text Solution

    |

  2. The greatest and least resultant of two forces are 7N and 3N respectiv...

    Text Solution

    |

  3. In an equilateral triangle ABC, AL, BM, and CN are medians. Forces alo...

    Text Solution

    |

  4. Given that vecA+vecB+vecC=0, out of three vectors two are equal in mag...

    Text Solution

    |

  5. A and B are two pegs separated by 13 cm.A body of 169 kgwt is suspende...

    Text Solution

    |

  6. Two particles having position vectors vecr(1)=(3veci+5 vecj)m and vec...

    Text Solution

    |

  7. A body is projected up such that its position vector varies with time ...

    Text Solution

    |

  8. The position of a particle is given by vecr=3tveci-2t^(2)hatj+4hatk m ...

    Text Solution

    |

  9. A particle starts from origin at t=0 with a constant velocity 5hati m/...

    Text Solution

    |

  10. When two bodies approach each other with the different speeds, the dis...

    Text Solution

    |

  11. An aeroplane is flying with the velocity of V(1)=800kmph relative to t...

    Text Solution

    |

  12. A boat takes 4 hr upstream and 2 hr down the stream for covering the s...

    Text Solution

    |

  13. The width of a river is 2sqrt3km.A boat is rowed in direction perpendi...

    Text Solution

    |

  14. Person aiming to reach the exactly opposite point on the bank of a str...

    Text Solution

    |

  15. A particle projected from the level ground just clears in its ascent a...

    Text Solution

    |

  16. A stone is projected with a velocity 20sqrt2 m//s at an angle of 45^(@...

    Text Solution

    |

  17. A ball is thrown with velocity 8 ms^(-1) making an angle 60^(@) with t...

    Text Solution

    |

  18. The range of a projectile launched at an angle of 15^(@) with horizont...

    Text Solution

    |

  19. A body is projected obliquely from the ground such that its horizontal...

    Text Solution

    |

  20. A projectile is thrown at angle beta with vertical.It reaches a maximu...

    Text Solution

    |

  21. The maximum height attained by a projectile is increased by 5%. Keepin...

    Text Solution

    |