Home
Class 10
MATHS
The distance S (in kms ) travelled by a ...

The distance S (in kms ) travelled by a particle in time t hours is given by `S (t) =( t^(2)+3t)/( 2) ` The distance travelled in 3 hrs .

A

5.5

B

6

C

9

D

10

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • RELATIONS AND FUNCTION

    PREMIERS PUBLISHERS|Exercise SOLUTION TO ACTIVITIES|2 Videos

  • NUMBERS AND SEQUENCES

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT OBJECTIVE TYPE QUESTIONS|23 Videos

  • STATISTICS AND PROBABILITY

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT OBJECTIVE TYPE QUESTIONS|23 Videos

Similar Questions

Explore conceptually related problems

The distance travelled by a particle in time t is given by s=(2.5m/s^2)t^2 . Find a. the average speed of the particle during the time 0 to 5.0 s, and b. the instantaneous speed at t=5.0 is

The distance in meters described by a car in time t seconds is given by s = 4t^(3) - 3t^(2) + 6t -1 . Determine the velocity and acceleration when (i) t = 0, (ii) t =2 seconds.

The distance covered by a particle in time t is given by x=a+bt+ct^2+dt^3 , find the dimensions of a,b,c and d.

The distance s meters moved by a particle travelling in a straight line t seconds is given by s = 45t + 11t^(2) - t^(3) . Find the acceleration when the particle comes to rest.

The distance x metres travelled by a vehicle in time t seconds after the breakes are applied is given by x=20 t-(5)/(3) t^(2) . Determine (i) the speed of the vehicle (in km /hr) at the instant the brakes are applied and (ii) the distance the car travelled before it stops.

A car starts from a point P at time t = 0 seconds and stops at point Q. The distance x, in metres, covered by it, in t seconds is given by x=t^(2) (2-(t)/(3)) Find the time taken by it to reach Q and also find distance between P and Q.

The distance S an object travles under the influence of gravity in time t seconds is given by S(t)=(1)/(2)"gt"^(2)+at+b where, (g is the acceleration due to gravity), a, b, are constants. Check if the function S(t) is one-one.

PREMIERS PUBLISHERS-RELATIONS AND FUNCTION -OTHER IMPORTANT OBJECTIVE TYPE QUESTIONS
  1. Let f(x) =(1)/( x+1) Domain of y is :

    Text Solution

    |

  2. If A and B are finite sets such this n(A) =p,n(B) =q , then the total ...

    Text Solution

    |

  3. If n (A) =8: n(B) =2 then the total no. of relation that exists betwee...

    Text Solution

    |

  4. The range of a function is a subset of its :

    Text Solution

    |

  5. Given f(x) =2x -x^(2) then f(1)+f(2) is :

    Text Solution

    |

  6. Let f(x)= 3x -2 find (f(x+2) -f(2))/(x)

    Text Solution

    |

  7. If f (x) =8x-14 find x such that f(x) =x.

    Text Solution

    |

  8. Let f: A to B be a function such that f(A) =B . Then f is called

    Text Solution

    |

  9. let f be function f: N to N be defined by f (x)= 4x+3,x in N. Then ...

    Text Solution

    |

  10. Let f be a function from R to R defined by f (x) =2x-3 Find the value...

    Text Solution

    |

  11. The distance S (in kms ) travelled by a particle in time t hours is gi...

    Text Solution

    |

  12. If the function f: R to R is defined by f (x) {:{( 2x+1 ,xlt-1) ,...

    Text Solution

    |

  13. Let A ={ 1,2,3,4} and B =N .Let f : Ato B be defined by f (x) =x^(...

    Text Solution

    |

  14. The function 't' which maps temperature in 'C' to 'F' is defined by t ...

    Text Solution

    |

  15. If f(x) =x^(2) -2,g (x) =2x+ 1 then f^(@) g (x)

    Text Solution

    |

  16. Find k if f^(@) f (k) =13 where f(k) =2k -1

    Text Solution

    |

  17. If f(x)=2x-1, g(x)=(x+1)/(2), show that fog=gof=x.

    Text Solution

    |

  18. If f(x) =x^(2) -7,g (x) =x-4 find a if g^(@) f (a)= 5

    Text Solution

    |

  19. If (a,7)( ,(2,b) represents an identify function then the value of a ...

    Text Solution

    |

  20. If there are 512 relation from a set A ={ 1,2,3} to a set B then the ...

    Text Solution

    |