Home
Class 12
PHYSICS
A ball is thrown from the top of a 60m h...

A ball is thrown from the top of a `60m` high tower with velocity `20sqrt(2)m//s` at `45^(@)` elevation.Find the radius of curvature of path at highest point. (`g=10m//s^(2)`)

A

`10m`

B

`20m`

C

`40m`

D

`200m`

Text Solution

Verified by Experts

The correct Answer is:
C
`R=(v^(2))/(a_(c))=((ucos45^(@)))/(g)=((20)^(2))/(10)=40m`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The particle of mass 1 kg is projected with velocity 20sqrt(2) m/s at 45^(@) with ground . When , the particle is at highest point (g=10 m//s^(2)) ,

A ball is thrown from the top of 36m high tower with velocity 5m//ss at an angle 37^(@) above the horizontal as shown. Its horizontal distance on the ground is closest to [ g=10m//s^(2) :

A stone is thrown horizontally with a velocity of 10m//sec . Find the radius of curvature of it’s trajectory at the end of 3 s after motion began. (g=10m//s^(2))

A stone is thrown horizontally with a velocity of 10m//sec . Find the radius of curvature of it’s trajectory at the end of 3 s after motion began. (g=10m//s^(2))

A ball is thrown upwards from the top of a tower 40 m high with a velocity of 10 m//s. Find the time when it strikes the ground. Take g=10 m//s^2 .

A ball is thrown upwards from the top of a tower 40 m high with a velocity of 10 m//s. Find the time when it strikes the ground. Take g=10 m//s^2 .

A ball is thrown from the top of a tower with an initial velocity of 10 m//s at an angle of 30^(@) above the horizontal. It hits the ground at a distance of 17.3 m from the base of the tower. The height of the tower (g=10m//s^(2)) will be

A ball is thrown from the top of a tower with an intial velocity of 10 m//s at an angle 37^(@) above the horizontal, hits the ground at a distance 16 m from the base of tower. Calculate height of tower. [g=10 m//s^(2)]

A particle is projected from ground with velocity 20(sqrt2) m//s at 45^@ . At what time particle is at height 15 m from ground? (g = 10 m//s^2)

A ball is throw from the top of a tower of 61 m high with a velocity 24.4 ms^(-1) at an elevation of 30^(@) above the horizon. What is the distance from the foot of the tower to the point where the ball hits the ground ?

ALLEN-TEST PAPER-Exercise (Physics)
  1. Consider following speed time graphs describing motion of two bodies A...

    Text Solution

    |

  2. A projectile takes off with an initial velocity of 50m//s at an angle ...

    Text Solution

    |

  3. A ball is thrown from the top of a 60m high tower with velocity 20sqrt...

    Text Solution

    |

  4. Two particle are moing along X and Y axes towards the origin with cons...

    Text Solution

    |

  5. If system is in equilibrium then find relation between m(1) and m(2)

    Text Solution

    |

  6. The childern are trying to shoot a marble into a marble into a small b...

    Text Solution

    |

  7. A bead slides on a frictoinless strainght rod fixed between points A a...

    Text Solution

    |

  8. The hour hand of a clock is 6 cm long. The magnitude of the displaceme...

    Text Solution

    |

  9. A particle (bob) of mass 1 kg is performing vertical cicular motion. T...

    Text Solution

    |

  10. In case of an ideal spring, we take the reference point (where potenti...

    Text Solution

    |

  11. A machinist starts with three identical square plates but cuts one cor...

    Text Solution

    |

  12. A block of mass m lies on a horizontal frictionless surface and is att...

    Text Solution

    |

  13. Two pucks are initially moving along a frictionless surface as shown i...

    Text Solution

    |

  14. Three particles A, B and C of equal mass move with equal speed V = 5 m...

    Text Solution

    |

  15. A canon shell moving along a straight line bursts into two parts. Just...

    Text Solution

    |

  16. Assertion :- velocity time graph of two paticles undergoing head-on co...

    Text Solution

    |

  17. Statement-1 : For any collision, coefficient of restitution (e lies b...

    Text Solution

    |

  18. Assertion :- To observe the motion of planets, the sun may be assumed ...

    Text Solution

    |

  19. Assertion :- The mechanical energy of earth-moon system remains same w...

    Text Solution

    |

  20. The average velocity of a particle moving on a straight line is zero i...

    Text Solution

    |