Home
Class 11
PHYSICS
A car moving on a straight road accelera...

A car moving on a straight road accelerated from a speed of `4.1 m//s` to a speed of `6.9 m//s` in 5.0 s. Then its average acceleration is

A

`0.5 m//s^(2)`

B

`0.6 m//s^(2)`

C

`0.56 m//s^(2)`

D

`0.65 m//s^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
`a=(v-u)/(t)`
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A STRAIGHT LINE

    NARAYNA|Exercise Level 2 C.W|25 Videos

  • MOTION IN A STRAIGHT LINE

    NARAYNA|Exercise Level 3 C.W|25 Videos

  • MOTION IN A STRAIGHT LINE

    NARAYNA|Exercise C.U.Q|42 Videos

  • MOTION IN A PLANE

    NARAYNA|Exercise Level-II(H.W)|31 Videos

  • NEWTONS LAWS OF MOTION

    NARAYNA|Exercise PASSAGE TYPE QUESTION|6 Videos

Similar Questions

Explore conceptually related problems

In a particle accelerator , an electron enters a region in which it accelerates uniformly in a straight line from a speed of 4.00xx10^(5)m//s to a speed of 6.00xx10^(7)m//s in a distance of 3.00 cm. For what time interval does the electron accelerate ?

An auto travelling along a straight road increases its speed from 30.0 m s^(-1) to 50.0 m s^(-1) in a distance of 180 m. If the acceleration is constant, how much time elapse while the auto moves this distance?

A particle moves in a straight line with constant speed of 4 m//s for 2 s, then with 6 m//s for 3 s. Find the average speed of the particle in the given time interval.

A particle is moving eastwards with a velocity of 5 m//s . In 10 s the velocity changes to 5 m//s nothwards. The average acceleration in this time is

A racing car accelerates on a straight road from rest to a speed of 50 mis in 25 s. Assuming uniform acceleration of the car throughout, the distance covered in this time will be

A particle moves along a circle of radius 10 cm . If its linear speed changes from 4m/s to 5 m/s in 1 s, then its angular acceleration will be

A car moves a distance of 100 m. It coveres first half with speed of 10 m/s and another half with speed of v m/s. If the average speed of car is 18 m/s, then value of v is

A car travelling along a road begins accelerating with a constant acceleration of 1.5 m//s^(2) in the direction of motion. After travelling 392 m at this acceleration, its speed is 35 m/s. Determine the speed of the car when it began accelerating.

NARAYNA-MOTION IN A STRAIGHT LINE-Level 1 C.W
  1. A body is moving along the circumference of a circle of radius R and c...

    Text Solution

    |

  2. A body completes one round of a circle of radius R in 20 second. The d...

    Text Solution

    |

  3. If a body covers first half of its journey with uniform speed v(1) and...

    Text Solution

    |

  4. A car is moving along a straight (OP). It moves from O to P in 18 seco...

    Text Solution

    |

  5. For body moving with uniform acceleration a, initial and final velocit...

    Text Solution

    |

  6. A body moves with a velocity of 3 m//s due east and then turns due nor...

    Text Solution

    |

  7. If a body travles 30 m in an interval of 2 s and 50 m in the next inte...

    Text Solution

    |

  8. A bullet travelling horizontally looses 1//20^(th) of its velocity whi...

    Text Solution

    |

  9. If S(n)=2+0.4n find initial velocity and acceleration

    Text Solution

    |

  10. A particle starts moving from rest under uniform acceleration it trave...

    Text Solution

    |

  11. A particle is moving in a straight line with initial velocity u and un...

    Text Solution

    |

  12. A particle is moving with uniform acceleration along a straight line A...

    Text Solution

    |

  13. A car moving on a straight road accelerated from a speed of 4.1 m//s t...

    Text Solution

    |

  14. A body projected vertically upwards with a velocity of 19.6 m//s reach...

    Text Solution

    |

  15. A ball is thrown straight upward with a speed v from a point h meter a...

    Text Solution

    |

  16. A ball is dropped on the floor from a height of 10m. It rebounds to a ...

    Text Solution

    |

  17. A body freely falling from the rest has velocity v after it falls thro...

    Text Solution

    |

  18. A ball A is dropped from a building of height 45 m. Simultaneously a...

    Text Solution

    |

  19. Two cars 1 & 2 starting from rest are moving with speeds V(1) and V(2)...

    Text Solution

    |

  20. Two cars are travelling towards each other on a straight road at veloc...

    Text Solution

    |