Home
Class 12
PHYSICS
A car moving on a straight road accelera...

A car moving on a straight road accelerates from a speed of 4.1 m/s to a speed of 6.9 m/s in 5.0 s. What was its average acceleration?

Text Solution

Verified by Experts

u=4.1 m/s,v=6.9 m/s,time t=5sec
average acceleration
`a=(v-u)/(t)=(6.9-4.1)/(5)=0.56 ms^(-2)`
Promotional Banner

Topper's Solved these Questions

  • MOTION IN A STRAIGHT LINE

    AAKASH SERIES|Exercise Numerical exercise(LEVEL-1)|22 Videos

  • MOTION IN A STRAIGHT LINE

    AAKASH SERIES|Exercise Numerical exercise(LEVEL-2)|29 Videos

  • MOTION IN A STRAIGHT LINE

    AAKASH SERIES|Exercise PRACTICE EXERCISE|58 Videos

  • MOTION IN A PLANE

    AAKASH SERIES|Exercise QUESTION FOR DESCRIPTIVE ANSWER|7 Videos

  • MOVING CHARGES AND MAGNETISM

    AAKASH SERIES|Exercise EXERCISE-III|49 Videos

Similar Questions

Explore conceptually related problems

A vehicle moving in a straight road has its speed changed from 5 m/s to 8 m/s in 2 sec. What is its average acceleration ?

A car is moving on a straight road covers one third of the distance with a speed of 30 km/h and the rest with a speed of 50 km/h. The average speed of the car is

Find average speed of 40m/s and 50m/s.

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

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.

An object is moving in a circle of radius 100 m with a constant speed of 31.4 m//s . What is its average speed for one complete revolution

A car starts moving on a straight road. It makes the entire journey in three parts. The total time of journey is 25 s. For first part it accelerates at a constant rate 5m//s^(2) . For second part it moves with a constant speed. For the third part it retards at constant rate 5m//s^(2) to come to rest. If the average speed for entire journey is 20 m/s, time period of first part of journey is

Consider a car moving on a straight road with a speed of 100m//s . The distance at which car can be stopped is [mu_k=0.5]

Consider a car moving on a straight road with a speed of 100m//s . The distance at which car can be stopped is [mu_k=0.5]

AAKASH SERIES-MOTION IN A STRAIGHT LINE -problems
  1. The radius vector of a particle varies with time t as vecr=vecbt(1-alp...

    Text Solution

    |

  2. A point moves in the plane xy according to the law x=a sin omegat, y=a...

    Text Solution

    |

  3. A car moving on a straight road accelerates from a speed of 4.1 m/s to...

    Text Solution

    |

  4. A bullet moving with a speed of 150ms^-1 strikes a tree and penetrates...

    Text Solution

    |

  5. Two cars started simultaneously towards each other from towns A and B ...

    Text Solution

    |

  6. A body ,starting from rest and moving with constant acceleration,cover...

    Text Solution

    |

  7. In a car race, car A takes time t less than car B and passes thre fini...

    Text Solution

    |

  8. Show that when a particle moves with uniform acceleration , the distan...

    Text Solution

    |

  9. A car accelerates from rest at a constant rate alpha for some time, af...

    Text Solution

    |

  10. A particle is moving along x-direction with a constant acceleration a....

    Text Solution

    |

  11. A particle is droped under gravety from rest a height h and it travels...

    Text Solution

    |

  12. A steel ball is dropped from the roof of a building .An observer stand...

    Text Solution

    |

  13. Two balls are dropped to the ground from different heights. One ball i...

    Text Solution

    |

  14. A stone is dropped from a height 300 m and at the same time another st...

    Text Solution

    |

  15. A stone A is dropped from rest from a height h above the ground.A seco...

    Text Solution

    |

  16. A particle P is projected Vertically upward from a point A . Six secon...

    Text Solution

    |

  17. A body when projected vertically up, covers a total distance D during ...

    Text Solution

    |

  18. Drop of water fall at regular intervals from roof of a building of hei...

    Text Solution

    |

  19. A ball thrown up from the ground reaches a maximum height of 20 m Find...

    Text Solution

    |

  20. A particle is projected vertically upwards. Prove that it will be at t...

    Text Solution

    |