Home
Class 11
PHYSICS
For the top of a tower 156.8 m high, a ...

For the top of a tower ` 156.8 m` high, a projectile is thrown up with a velcity of `39.2 ms^(-1)`, makingan angle `30%(@)` with borizontal direction. Find the distance from the foot of tower wher it strikes the ground and the time taken byit do so.

Text Solution

Verified by Experts

The correct Answer is:
`(271.6 m 8s)`
Promotional Banner

Topper's Solved these Questions

  • PROJECTILE MOTION

    SL ARORA|Exercise Problen Solution|17 Videos

  • PHYSICAL WORLD AND MEASUREMENTS

    SL ARORA|Exercise Based on Combination|21 Videos

  • PROPERTIES OF SOLIDS

    SL ARORA|Exercise All Questions|97 Videos

Similar Questions

Explore conceptually related problems

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

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 ?

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))

A ball is thrown with a velocity of 30 ms^(-1) from the top of a building 200m high . The ball makes an angle of 30^(@) with the horizontal . Calculate the distance from the foot of the building where the ball strikes the ground (g=10ms^(-2)) .

From the top of a tower 180 m high, it was observed that the angle of depression of the bottom of a cat sitting on the ground was 30^(@) . Find the distance of the cat from the foot of the tower.

A ball is thrown from the top of tower with an initial velocity of 10ms^(-1) at an angle of 30^(@) with the horizontal. If it hits the ground of a distance of 17.3m from the back of the tower, the height of the tower is (Take g=10ms^(-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)

From the top of a tower of height 40m, a ball is projected upward with a speed of 20ms^(-1) at an angle of elevation of 30^(@) . Then the ratio of the total time taken by the ball to hit the ground to the time taken to ball come at same level as top of tower.

A ball is thrown from the top of a 35m high tower with initial velocity of magnitude u=80" ms"^(-1) at an angle 25^(@) with horizontal. Find the time to reach the ground and the horizontal distance covered by the ball.

From the top of a tower, two balls are thrown horizontally with velocities u_(1) and u_(2) in opposite directions. If their velocities are perpendicular to each other just before they strike the ground, find the height of tower.

SL ARORA-PROJECTILE MOTION-Problem For Self Practice
  1. The horizontal range is same whether the angle of projection is alpha...

    Text Solution

    |

  2. A body is projected with a veocity of 40 ms^(-1). After 2 s it fcross...

    Text Solution

    |

  3. For the top of a tower 156.8 m high, a projectile is thrown up with a...

    Text Solution

    |

  4. Two particles are thrown from the same point with the same velocity of...

    Text Solution

    |

  5. A boy wants to throw a letter wrapped over a stone to his friend acros...

    Text Solution

    |

  6. Find the angle of projection for a projectile motion whose rang R is (...

    Text Solution

    |

  7. A body A of mass m is thrown with velocity upsilon at an angle of 30^(...

    Text Solution

    |

  8. The greatest height to which a boy can throw a stone is (h). What will...

    Text Solution

    |

  9. A ball of mass (m) is thrown vertically up. Another ball of mass 2 m ...

    Text Solution

    |

  10. As shown in Fig. 5.29, a body is projected with velocity u(1) from the...

    Text Solution

    |

  11. The kinetic energy of a projectile at the highest point of its path is...

    Text Solution

    |

  12. A projectile is projected in the upward direction making an angle of 6...

    Text Solution

    |

  13. Which is greater , the angular velocity of the hour hand of a watch or...

    Text Solution

    |

  14. A 500 kg car takes a round turn of radius 50 m with a velocity of 36...

    Text Solution

    |

  15. A body of mass 10 kg revolves in a circle of diameter 0.40 m, making 1...

    Text Solution

    |

  16. The seocnd-hand of a watch is 3.0 cm long. Calculate the linear speed ...

    Text Solution

    |

  17. Calculate the centripetal acceleation of a point on the equator of ear...

    Text Solution

    |

  18. Assuming that the moon completes one revolution in a circular orbit ar...

    Text Solution

    |

  19. What is the angular velocity of a geostationary satellite if unit of t...

    Text Solution

    |

  20. The wheel of an automobile is rotating with 4 rotations per second. F...

    Text Solution

    |