Home
Class 10
MATHS
The height (in meters) at any time t (in...

The height (in meters) at any time t (in seconds) of a ball thrown vertically varies according to equation `h(t)=-16t^(2)+256t`. How long after in seconds the ball reaches the hightest point

A

135 m

B

140 m

C

128 m

D

145 m

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 10 SOLVED

    EDUCART PUBLICATION|Exercise PART - B (SECTION - III) |8 Videos
  • SAMPLE PAPER 10 SOLVED

    EDUCART PUBLICATION|Exercise PART - B (SECTION - IV) |9 Videos
  • SAMPLE PAPER 10 SOLVED

    EDUCART PUBLICATION|Exercise PART - B (SECTION - V) |4 Videos
  • SAMPLE PAPER 10 (SELF-ASSESSMENT)

    EDUCART PUBLICATION|Exercise Section-C (Case Study Based Questions)|10 Videos
  • SAMPLE PAPER 11

    EDUCART PUBLICATION|Exercise PART -B (SECTION-V)|4 Videos

Similar Questions

Explore conceptually related problems

A stone thrown vertically upwards satisfies the equations s = 80t –16t^(2) . The time required to reach the maximum height is

A stone thrown vertically upward satisfies the equation s= 64 t -16t^(2) where is in meter and t is second .What is the time required to reach the maximum height ?

The maximum height is reached is 5s by a stone thrown vertically upwards and moving under the equation 10s=10ut-49t^(2) , where s is in metre and t is in second. The value of u is

A stone thrown vertically upwards rises S ft in t seconds where S =112t-16t ^(2) . The maximum height reached by the stone is

If a ball is thrown vertically upwards with speed u ,the distance covered during the last T seconds of its ascent is

If a ball is thrown vertically upwards with speed u , the distance covered during the last t second of its ascent is

The figure given alongside shows the path of a diver. When she takes a jump from the diving board . Clearly it is parabola . Annie was standing on a diving board, 48 feet above the water level . She took a dive into the pool. Her height (in feet ) above the water level at any time 't' in seconds is given by the polynomial h (t) such that h(t)=-16t^(2)+8t+k A polynomial q(t) with sum of zeroes as 1 and the product as -6 is modelling Anu's height in feet above the water at any time t ( in seconds) . Then q (t) is given by:

EDUCART PUBLICATION-SAMPLE PAPER 10 SOLVED -PART - A (SECTION - II)
  1. ABCD is a square. Find out the side of square?

    Text Solution

    |

  2. In the figure given above, ABCD is a quadrilateral and BPDQ is paralle...

    Text Solution

    |

  3. Which of the following equation is best representation of given grap...

    Text Solution

    |

  4. The cost of living index for the year 2007 considering the base year a...

    Text Solution

    |

  5. Pass the necessary Journal entries to rectify the following errors: ...

    Text Solution

    |

  6. If y=tan^-1(secx-tanx), then differentiation of y wrt x is equal to= ?

    Text Solution

    |

  7. A horizontal beam of light in incident on a plane mirror inclined at 4...

    Text Solution

    |

  8. Stationary sound 'S' of frequency 334 Hz and a stationary observer 'O'...

    Text Solution

    |

  9. If y=tan^-1(secx-tanx), then differentiation of y wrt x is equal to= ?

    Text Solution

    |

  10. Stationary sound 'S' of frequency 334 Hz and a stationary observer 'O'...

    Text Solution

    |

  11. The students of a shool decided to beautifly the school on the annual ...

    Text Solution

    |

  12. The students of a shool decided to beautifly the school on the annual ...

    Text Solution

    |

  13. The students of a shool decided to beautifly the school on the annual ...

    Text Solution

    |

  14. The students of a shool decided to beautifly the school on the annual ...

    Text Solution

    |

  15. The students of a shool decided to beautifly the school on the annual ...

    Text Solution

    |

  16. The height (in meters) at any time t (in seconds) of a ball thrown ver...

    Text Solution

    |

  17. A ball is released from the top of a tower of height h metre. It takes...

    Text Solution

    |

  18. A ball is thrown upwards with a speed u from a height h above the grou...

    Text Solution

    |

  19. A ball is thrown upwards with a speed u from a height h above the grou...

    Text Solution

    |

  20. A ball is thrown upwards with a speed u from a height h above the grou...

    Text Solution

    |