Home
Class 12
PHYSICS
On a dry road, a car with good tires may...

On a dry road, a car with good tires may be able to brake with a constant deceleration of `4.92 m//s^(2)`. (a) How long does such a car, initially traveling at 27.2 m/s, take to stop ? (b) How far does it travel in this time ? (c) Graph `x` versus t and v versus t for the deceleration .

Text Solution

Verified by Experts

The correct Answer is:
(a) 5.53 s; (b) 75.2 m
Promotional Banner

Topper's Solved these Questions

  • MOTION ALONG A STRAIGHT LINE

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS ( Single Correct Choice Type)|54 Videos
  • MOTION ALONG A STRAIGHT LINE

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS ( More than One Correct Choice Type )|6 Videos
  • MOTION ALONG A STRAIGHT LINE

    RESNICK AND HALLIDAY|Exercise Checkpoints|5 Videos
  • MAGNETIC FORCE

    RESNICK AND HALLIDAY|Exercise Practice Questions (Integer type )|7 Videos
  • MOTION IN TWO AND THREE DIMENSIONS

    RESNICK AND HALLIDAY|Exercise PRACTICE QUESTIONS (MATRIX-MATCH)|10 Videos

Similar Questions

Explore conceptually related problems

A train travelling at 20 m s^(-1) accelerates at 0.5 m s^(-2) for 30 s. How far will it travel in this time ?

A motorboat starting from rest on a lake acceleration line at a constant rate of 3.0 m//s^(2) for 8.0 s . How far does the boat travel during this time ?

A bus starts from rest with a constant acceleration of 5 m//s^(2) at the same time a car travelling with a constant velocity 50 m//s over takes and passes the bus. How fast is the bus travelling when they are side by side?

A muon ( an elementary particle ) enters a region with a speed of 6.00xx10^(6) m/s and then is slowed at the rate of 1.25xx10^(14)m//s^(2) . (a) How far does the muon take to stop ? (b) Graph x versus t and v versus t for the muon .

If a bus travelling at 20 m/s is subjected to a steady deceleration of 5 m//s^(2) , how long will it take to come to rest ?

A person travelling at 43.2 km/h applies the brake giving a deceleration of 6.0 m/ss^2 to his scooter. How far will it travel before stopping?

Car A and car B are both travelling down a straight highway at 90 km/h. car A is only 6.0 meters behind car B. the driver of car B brakes , slowing down with a constant deceleration of 2.0 m//s^(2) . After 1.2 seconds, the driver of car A begins to brake, also at 2.0 m//s^(2) , but this is insufficient and the cars eventually collide, both still moving forward. what is the relative velocity of the two cars at the moment of the collision ?

At the insutant the traffic light turns green a car starts with a constant acc. 2 m//s^(2) . At the same instant a truck, travelling with a constant speed of 10 m//s , overtakes and passes the car. (a) How far beyond the starting point will the car overtake the truck ? (b) How fast will the car be travelling at that instant? (c) Draw s//t curves for each vehicle.

A car accelerates from rest with acceleration 1.2 m//s^(2). A bus moves with constant speed of 12 mis in a parallel lane. How long does the car take from its start to meet the bus?

A car is moving along a straight road at a steady speed. It travels 150 m in 5 seconds : (a) What is its average speed ? (b) How far does it travel in 1 second ? (c ) How far does it travel in 6 seconds ? (d) How long does it take to travel 240 m ?

RESNICK AND HALLIDAY-MOTION ALONG A STRAIGHT LINE-PROBLEMS
  1. A muon ( an elementary particle ) enters a region with a speed of 6.00...

    Text Solution

    |

  2. An electron, starting from rest and moving with a constant acceleratio...

    Text Solution

    |

  3. On a dry road, a car with good tires may be able to brake with a const...

    Text Solution

    |

  4. A certain elevator cab has a total run of 190 m and a maximum speed of...

    Text Solution

    |

  5. The brakes on your car can slow you at a rate of 5.2m//s^(2). (a) If y...

    Text Solution

    |

  6. A rocket, initially at rest, is fired vertically with an upward accel...

    Text Solution

    |

  7. A world's land speed record was set by Colonel John P. Stapp when in M...

    Text Solution

    |

  8. A stone is thrown from the top of a building with an initial velocity ...

    Text Solution

    |

  9. In Fig. 2-18, a red car and a green car, identical except for the colo...

    Text Solution

    |

  10. In a particle accelerator , an electron enters a region in which it a...

    Text Solution

    |

  11. A car moves along an x axis through a distance of 900 m, starting at r...

    Text Solution

    |

  12. Figure 2-19 depicts the motion of a particle moving along an x axis wi...

    Text Solution

    |

  13. A car moving at a constant velocity of 46 m/s passes a traffic cop wh...

    Text Solution

    |

  14. You are driving toward a traffic signal when it turns yellow. Your spe...

    Text Solution

    |

  15. On a defense aircraft carrier, a military jet lands at a speed of 64 ...

    Text Solution

    |

  16. You are arguing over a cell phone while trailing an unmarked police ca...

    Text Solution

    |

  17. When a high-speed passenger train traveling at 161 km/h rounds a bend,...

    Text Solution

    |

  18. A man releases a stone at the top edge of a tower. During the last sec...

    Text Solution

    |

  19. Raindrops fall 1800 m from a cloud to the ground . (a) If they were no...

    Text Solution

    |

  20. A hot-air balloon is ascending at a rate of 14 m/s at a height of 98 m...

    Text Solution

    |