Home
Class 12
PHYSICS
The displacement s of an object is given...

The displacement s of an object is given as a function of time t
`s=5t^(2)+9t`
Calculate the instantaneous velocity of object at t = 0.

Text Solution

Verified by Experts

The correct Answer is:
9 m/s.
Hint : `v=(ds)/(dt)`
Promotional Banner

Topper's Solved these Questions

  • MOTION IN STRAIGHT LINE

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - A)|50 Videos

  • MOTION IN STRAIGHT LINE

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - B)|19 Videos

  • MOTION IN STRAIGHT LINE

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (SECTION - J)|2 Videos

  • MOTION IN A STRAIGHT LINE

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION - D)|15 Videos

  • MOVING CHARGE AND MAGNESIUM

    AAKASH INSTITUTE ENGLISH|Exercise SECTION D|16 Videos

Similar Questions

Explore conceptually related problems

The displacement x of an object is given as a function of time x=2t+3t^(2) Calculate the instantaneous velocity of the object at t = 2 s

The displacement x of an object is given as a funstion of time, x=2t+3t^(2) . The instantaneous velocity of the object at t = 2 s is

The displacement s of an object is given as a function of time t by the following equation s=2t+5t^(2)+3t^(3) . Calculate the instantaneous velocity of the object at t = 1 s.

The displacement (in metre) of a particle moving along x-axis is given by x=18t +5t^(2) . Calculate (i) the instantaneous velocity t=2 s (ii) average velocity between t=2 s to t=3 s (iii) instantaneous acceleration.

In the diagram shown, the displacement of particles is given as a function of time. The particle a is moving under constant velocity of 9 m//s . The particle B is moving under variable acceleration. From time t=0 s to t=6 s . The average velocity of the particle B will be equal to :-

The displacement of a particle is given by y=(6t^2+3t+4)m , where t is in seconds. Calculate the instantaneous speed of the particle.

The displacement (in metre) of a particle moving along x-axis is given by x=18t +5t^(2) Calculate (i) instantaneous acceleration.

Figure shows the graph of x-coordinate of a particle moving along x-axis as a function of time. Average velocity during t = 0 to 4 s and instantaneous velocity at t = 4.113 s respectively will be

The velocity of an object moving rectilinearly is given as a function of time by v=4t-3t^(2) where v is in m/s and t is in seconds. The average velocity if particle between t=0 to t=2 seconds is

A particle starts from origin with uniform acceleration. Its displacement after t seconds is given in meter by the relation x=2+5t+7t^2 . Calculate the magnitude of its a. Initial velocity b. Velocity at t=4s c. Uniform acceleration d. Displacement at t=5s

AAKASH INSTITUTE ENGLISH-MOTION IN STRAIGHT LINE-Try Yourself
  1. If the object is moving with uniform velocity in a given interval of t...

    Text Solution

    |

  2. A particle moves with a uniform velocity of 50 m/s for 20 min. What is...

    Text Solution

    |

  3. The displacement s of an object is given as a function of time t s=5...

    Text Solution

    |

  4. The displacement s of an object is given as a function of time t by th...

    Text Solution

    |

  5. If the velocity of an object is increasing and changing at a uniform r...

    Text Solution

    |

  6. Draw the position-time graph of a stationary object.

    Text Solution

    |

  7. The velocity-time graph of an object is given below. Calculate the ave...

    Text Solution

    |

  8. Study the following graph: The particle has negative acceletation...

    Text Solution

    |

  9. Draw the shape of the velocity-time graph for a body moving with (a) u...

    Text Solution

    |

  10. Draw the velocity-time graph of an object whose speed is increasing at...

    Text Solution

    |

  11. A body starting from rest has an acceleration of 5m//s^(2). Calculate ...

    Text Solution

    |

  12. How can you determine the displacement and the acceleration of an obje...

    Text Solution

    |

  13. The relation between the acceleration and time for an object is given ...

    Text Solution

    |

  14. If the relation between acceleration and time for an object is given b...

    Text Solution

    |

  15. A football is kicked into the air vertically upwards. What is its (a)...

    Text Solution

    |

  16. A ball is thrown vertically upward with a velocity of 20 m/s. Calculat...

    Text Solution

    |

  17. A ball is thrown straight up. What is its velocity and acceleration at...

    Text Solution

    |

  18. A stone is dropped from the top of a tower. If it hits the ground afte...

    Text Solution

    |

  19. A train of length 120 m travels at a speed of 57 km/h. In what time it...

    Text Solution

    |

  20. Two objects A and B are walking with speed 6 km/h and 10 km/h respecti...

    Text Solution

    |