Home
Class 12
PHYSICS
A car goes A to B along the path with co...

A car goes `A` to `B` along the path with constant accelertion "a" as shown in figure.

Student`-1` infers that initial velocity is positive acceleration is negative and displacement is positive.
Student-2 infers that initial velocity is negative. acceleration is positive and displacement is positive.

A

Student`-1` is correct

B

Student`-2`

C

Both are correct

D

Both are wrong

Text Solution

Verified by Experts

The correct Answer is:
B
sign convertion is a matter of choice.
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Position - time graph for motion with negative acceleration is

A particle is moving along x-direction with a constant acceleration a. The particle starts from x=x_0 position with initial velocity u. We can define the position of the particle with time by the relation x=x_0+ut+(1)/(2)at^2 plot the position of the particle in relation with time is following situations (i) If initial position of the particle is on negativ x-axis, initial velocity is positive and acceleration is negative. (ii) If initial position is positive, initial velocity is negative and acceleration is positive.

Write three equations of uniformly accelerated motion relating the initial velocity (u), final velocity (v), time (t), acceleration (a) and displacement (S).

The acceleration (a) of a particle depends on displacement (s) as a = 5 + s . Initially s = 0, v = 5 , then velocity v corresponding to the displacement is given by

Assertion : In the s-t graph as shown in figure, velocity of particle is negative and acceleration is positive. Reason : Slope of s-t graph is negative and increasing in magnitude.

A particle is moving along a straight line whose velocity - displacement graph is shown in figure. What is the acceleration when displacement is 3 m?

The displacement of a particle is given by y = a + bt + ct^2 - dt^4 . The initial velocity and acceleration are respectively.

A particle starts with some initial velocity with an acceleration along the direction of motion. Draw a graph depicting the variation of velocity (v) along y-axis with the variation of displacement(s) along x-axis.

the displacement -time graph of a moving particle is shown in the adjacent figure. The instantaneous velocity of the particle is negative at the point

Velocity of a particle is in negative direction with constant acceleration in positive direction. Then match the following:

ALLEN-TEST PAPER-Exercise (Physics)
  1. A particle travels with speed 100m//s from the print (10, 20) in a dir...

    Text Solution

    |

  2. The motion of a particle is defined by the position vector vec(r)=(c...

    Text Solution

    |

  3. A car goes A to B along the path with constant accelertion "a" as show...

    Text Solution

    |

  4. A ball is thrown vertcally upwards with a velocity v and an intial kin...

    Text Solution

    |

  5. In a second ODI match between England and India Bhuwnesh kumar bowled ...

    Text Solution

    |

  6. In a second ODI match between England and India Bhuwnesh kumar bowled ...

    Text Solution

    |

  7. In a second ODI match between England and India Bhuwnesh kumar bowled ...

    Text Solution

    |

  8. A particle is projected vertically upwards with a speed of 16ms^-1. Af...

    Text Solution

    |

  9. The potential energy between two atoms in a molecule is given by U=a...

    Text Solution

    |

  10. An elevator with passengers has a total mass of 800 kg and moves slowl...

    Text Solution

    |

  11. A uniform chain of L length and M mass, two third part of chain is on ...

    Text Solution

    |

  12. A body of mass 2 kg is kept on a rough horizontal surface as shown in ...

    Text Solution

    |

  13. A body displaced from (1,1) to (2,2) along the line y=x under the forc...

    Text Solution

    |

  14. A point mass of 0.5 kg is moving along x- axis as x=t^(2)+2t , where, ...

    Text Solution

    |

  15. A mass m is attached to a spring. The spring is stretched to x by a fo...

    Text Solution

    |

  16. A block of mass m is pushed up agains a spring, compressing it by a di...

    Text Solution

    |

  17. A body of mass 0.5 kg travels in a straight line with velocity v=ax^(3...

    Text Solution

    |

  18. One end of a light spring of force constant k is fixed to a wall and t...

    Text Solution

    |

  19. Select the correct alternative.

    Text Solution

    |

  20. A constant force produces maximum velocity V on the block connected to...

    Text Solution

    |