Home
Class 11
PHYSICS
Statement I: The average velocity of the...

Statement I: The average velocity of the body may be equal to its instantaneous velocity.
Statement II: For a given time interval of a given motion, average veocity is single valued while average speed can have many values.

A

Statement I is true, Statement II is true, Statement II is a correct explanation for Statement I.

B

Statemnt I is true, Statement II is true, Statement II is true, Statement II is false.

C

Statement I is true, Statement II is false.

D

Statement I is false, Statement II is true.

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question, we need to analyze both statements provided. ### Step 1: Understand Average Velocity Average velocity is defined as the total displacement divided by the total time taken. Mathematically, it can be expressed as: \[ \text{Average Velocity} = \frac{\Delta x}{\Delta t} \] where \(\Delta x\) is the total displacement and \(\Delta t\) is the total time. ### Step 2: Understand Instantaneous Velocity Instantaneous velocity is the velocity of an object at a specific moment in time. It can be found by taking the derivative of the displacement with respect to time or by finding the slope of the tangent to the displacement-time graph at that point. ### Step 3: Analyze Statement I Statement I claims that the average velocity of the body may be equal to its instantaneous velocity. This is true in certain conditions, for example, when the motion is uniform (constant velocity) or when the time interval considered is infinitesimally small. Therefore, Statement I is **correct**. ### Step 4: Analyze Statement II Statement II states that for a given time interval of a given motion, the average velocity is single-valued while the average speed can have many values. This statement is misleading. Average velocity is indeed single-valued for a given time interval as it is defined based on total displacement. However, average speed, which is the total distance traveled divided by the total time, can also be a single value for that time interval. Therefore, Statement II is **incorrect**. ### Conclusion - Statement I is **correct**. - Statement II is **incorrect**. Thus, the correct option is that Statement I is true and Statement II is false. ---

To solve the question, we need to analyze both statements provided. ### Step 1: Understand Average Velocity Average velocity is defined as the total displacement divided by the total time taken. Mathematically, it can be expressed as: \[ \text{Average Velocity} = \frac{\Delta x}{\Delta t} \] where \(\Delta x\) is the total displacement and \(\Delta t\) is the total time. ...
Promotional Banner

Topper's Solved these Questions

  • KINEMATICS-1

    CENGAGE PHYSICS ENGLISH|Exercise Linked Comprehension|30 Videos
  • KINEMATICS-1

    CENGAGE PHYSICS ENGLISH|Exercise Integer|9 Videos
  • KINEMATICS-1

    CENGAGE PHYSICS ENGLISH|Exercise Multiple Correct|16 Videos
  • GRAVITATION

    CENGAGE PHYSICS ENGLISH|Exercise INTEGER_TYPE|1 Videos
  • KINEMATICS-2

    CENGAGE PHYSICS ENGLISH|Exercise Exercise Integer|9 Videos

Similar Questions

Explore conceptually related problems

Average speed is always equal to magnitude of average velocity. Is this statement true or false ?

Assertion: The average velocity of a particle is zero in a time interval. It is possible that the instantaneous acceleration is never zero in the interval. Reason: The magnitude of average velocity in an interval is equal to its average speed in that interval.

The ratio of the numerical values of the average velocity and average speed of a body is always

The ratio of the numerical values of the average velocity and average speed of a body is always.

Can the instantaneous velocity of an object during a time interval ever be greater in magnitude than average celocity over the entire interval ? Can it be less?

Statement-1: Magnitude of average velocity is equal to average speed, if velocity is constant. Statement-2: It is possible when the direction of motion keeps changing.

Under what conditions (s) is the magnitude of average velocity of an object equal to its average speed ?

Under what conditions (s) is the magnitude of average velocity of an object equal to its average speed ?

Statement-I : A particle moves in a straight line with constant acceleration. The average velocity of this particle cannot be zero in any time interval. Statement-II : For a particle moving in straight line with constant acceleration, the average velocity in a time interval is (u+v)/(2) , where u and v are initial and final velocity of the particle of the given time interval.

If magnitude of average speed and average velocity over a time interval are same, then