Home
Class 11
MATHS
A particle just clears a wall of heig...

A particle just clears a wall of height b at distance a and strikes the ground at a distance c from the point of projection. The angle of projection is (1) `tan^(-1)b/(a c)` (2) `"45"^o` (3) `tan^(-1)(b c)/(a(c-a)` (4) `tan^(-1)(b c)/a`

A

4

B

4.91

C

4.19

D

100

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MODEL TEST PAPER -3

    ICSE|Exercise Section A |21 Videos

  • MODEL TEST PAPER -3

    ICSE|Exercise Section B |7 Videos

  • MODEL TEST PAPER -3

    ICSE|Exercise SECTION -B|10 Videos

  • MODEL TEST PAPER -2

    ICSE|Exercise Section C |8 Videos

  • MODEL TEST PAPER -4

    ICSE|Exercise SECTION -C|10 Videos

Similar Questions

Explore conceptually related problems

Let a, b and c be positive real numbers. Then prove that tan^(-1) sqrt((a(a + b + c))/(bc)) + tan^(-1) sqrt((b (a + b + c))/(ca)) + tan^(-1) sqrt((c(a + b+ c))/(ab)) =' pi'

If sqrt(3)+i=(a+i b)(c+i d) , then find the value of tan^(-1)(b//a)+tan^(-1)(d//c)

If sqrt(3)+i=(a+i b)(c+i d) , then find the value of tan^(-1)(b//a) + tan^(-1)(d//c)dot

If sqrt(3)+i=(a+i b)(c+i d) , then find the value of tan^(-1)(b//a)tan^(-1)(d//c)dot

If A +B+C= pi and /_C is obtuse then tan A. tan B is

Prove that : tan^(-1)( (a^3 -b^3)/(1+a^3 b^3)) + tan^(-1)( (b^3 - c^3)/(1+b^3 c^3)) + tan^(-1)( (c^3 - a^3)/(1+c^3 a^3)) = 0

The angle between the curves y^2=x and x^2=y at (1,\ 1) is tan^(-1)4/3 (b) tan^(-1)3/4 (c) 90 (d) 45

Prove that tan^(-1)((a-b)/(1+ab))+ tan^(-1)((b-c)/(1+bc))+tan^(-1)((c-a)/(1+ca))=0 , ab>(-1), bc>(-1), ca>(-1)

In a triangle tan A+ tan B + tan C=6 and tan A tan B= 2, then the values of tan A, tan B and tan C are

Which of the following is greatest? tan1 (b) tan4 (c) tan7 (d) tan10

ICSE-MODEL TEST PAPER -3-SECTION C
  1. A particle just clears a wall of height b at distance a and strikes...

    Text Solution

    |

  2. 25th percentile is 20 and 75th percentile is 50, then semi interquarti...

    Text Solution

    |

  3. The distribution of masses to the nearest kg, of 90 men is shown in th...

    Text Solution

    |

  4. The price index of a commodity is 99. What does it indicate about the ...

    Text Solution

    |

  5. Let 40% of employees earn more than Rs. 18000 per month. Then to find ...

    Text Solution

    |

  6. Compute Q(1) and Q(3) from the following data:

    Text Solution

    |

  7. Find D(8) and P(40) from the following distribution:

    Text Solution

    |

  8. The rainfall and the output of wheat per acre for a firm are as follow...

    Text Solution

    |

  9. The final positions of twelve clubs in a football league and the avera...

    Text Solution

    |

  10. The following is a record of the rquarterly electrickty bill for 3 yea...

    Text Solution

    |

  11. The standard deviation of the numbers 2, 3, 11, x is 3(1)/(2) , find t...

    Text Solution

    |

  12. Find rho (x,y) if Cav(x,y) = - 16.5 var (x) = 2.25 and sigma(y) = 12

    Text Solution

    |

  13. Index number for the total cost of raw materials used for the manufac...

    Text Solution

    |

  14. Calculate Karl Pearson's coefficient of correlation between the height...

    Text Solution

    |

  15. {:("Marks in Mathematics ", 15, 18, 21, 24, 27, 30, 36, 39, 42, 48),("...

    Text Solution

    |

  16. Find the mode of the following distribution {:("Marks ", 10-20, 2...

    Text Solution

    |

  17. An analysis of daily wages of casual labourers in two firms A and B...

    Text Solution

    |

  18. The table given below shows the number of visitors (in hundreds) to a ...

    Text Solution

    |