QBManager

Motion in One Dimensions

141342 The area under the acceleration time graph represents:

1 the displacement

2 velocity

3 change in velocity

4 distance travelled

SRM JEE - 2011

Motion in One Dimensions

141396 A body moves with uniform acceleration, then which of the following graph is correct?

1

2

3

4

BITSAT-2012

Motion in One Dimensions

141161 The displacement-time graph of moving particle is shown below.
original image
The instantaneous velocity of the particle is negative at the point

1

D

2

F

3

C

4

E

Explanation:

D At point C, D and F the slope of curve $(\frac{ds}{dt})$ is positive, so instantaneous velocity at these points are positive. At point $E$ the slop of curve $(\frac{d s}{d t})$ is negative. So instantaneous velocity of the particle at this point is negative.

CG PET-2021

Motion in One Dimensions

141231 A steel ball is dropped into long column of oil. Which of the following graph best describes the velocity of the ball with time?
original image

1 a

2

b

3

c

4 None of the above

Explanation:

B First ball will fall with increasing speed due to gravity, but as it speeds up backward dragging force i.e. viscous force increase. Eventually the viscous force is enough to balance the force of gravity, so the acceleration stops and the sphere reaches a constant terminal velocity.
Thus, graph $b$ describes the velocity of ball in best way.

Assam CEE-2019

Motion in One Dimensions

141342 The area under the acceleration time graph represents:

1 the displacement

2 velocity

3 change in velocity

4 distance travelled

SRM JEE - 2011

Motion in One Dimensions

141396 A body moves with uniform acceleration, then which of the following graph is correct?

1

2

3

4

BITSAT-2012

Motion in One Dimensions

141161 The displacement-time graph of moving particle is shown below.
original image
The instantaneous velocity of the particle is negative at the point

1

D

2

F

3

C

4

E

Explanation:

D At point C, D and F the slope of curve $(\frac{ds}{dt})$ is positive, so instantaneous velocity at these points are positive. At point $E$ the slop of curve $(\frac{d s}{d t})$ is negative. So instantaneous velocity of the particle at this point is negative.

CG PET-2021

Motion in One Dimensions

141231 A steel ball is dropped into long column of oil. Which of the following graph best describes the velocity of the ball with time?
original image

1 a

2

b

3

c

4 None of the above

Explanation:

B First ball will fall with increasing speed due to gravity, but as it speeds up backward dragging force i.e. viscous force increase. Eventually the viscous force is enough to balance the force of gravity, so the acceleration stops and the sphere reaches a constant terminal velocity.
Thus, graph $b$ describes the velocity of ball in best way.

Assam CEE-2019

Motion in One Dimensions

141342 The area under the acceleration time graph represents:

1 the displacement

2 velocity

3 change in velocity

4 distance travelled

SRM JEE - 2011

Motion in One Dimensions

141396 A body moves with uniform acceleration, then which of the following graph is correct?

1

2

3

4

BITSAT-2012

Motion in One Dimensions

141161 The displacement-time graph of moving particle is shown below.
original image
The instantaneous velocity of the particle is negative at the point

1

D

2

F

3

C

4

E

Explanation:

D At point C, D and F the slope of curve $(\frac{ds}{dt})$ is positive, so instantaneous velocity at these points are positive. At point $E$ the slop of curve $(\frac{d s}{d t})$ is negative. So instantaneous velocity of the particle at this point is negative.

CG PET-2021

Motion in One Dimensions

141231 A steel ball is dropped into long column of oil. Which of the following graph best describes the velocity of the ball with time?
original image

1 a

2

b

3

c

4 None of the above

Explanation:

B First ball will fall with increasing speed due to gravity, but as it speeds up backward dragging force i.e. viscous force increase. Eventually the viscous force is enough to balance the force of gravity, so the acceleration stops and the sphere reaches a constant terminal velocity.
Thus, graph $b$ describes the velocity of ball in best way.

Assam CEE-2019

Motion in One Dimensions

141342 The area under the acceleration time graph represents:

1 the displacement

2 velocity

3 change in velocity

4 distance travelled

SRM JEE - 2011

Motion in One Dimensions

141396 A body moves with uniform acceleration, then which of the following graph is correct?

1

2

3

4

BITSAT-2012

Motion in One Dimensions

141161 The displacement-time graph of moving particle is shown below.
original image
The instantaneous velocity of the particle is negative at the point

1

D

2

F

3

C

4

E

Explanation:

D At point C, D and F the slope of curve $(\frac{ds}{dt})$ is positive, so instantaneous velocity at these points are positive. At point $E$ the slop of curve $(\frac{d s}{d t})$ is negative. So instantaneous velocity of the particle at this point is negative.

CG PET-2021

Motion in One Dimensions

141231 A steel ball is dropped into long column of oil. Which of the following graph best describes the velocity of the ball with time?
original image

1 a

2

b

3

c

4 None of the above

Explanation:

B First ball will fall with increasing speed due to gravity, but as it speeds up backward dragging force i.e. viscous force increase. Eventually the viscous force is enough to balance the force of gravity, so the acceleration stops and the sphere reaches a constant terminal velocity.
Thus, graph $b$ describes the velocity of ball in best way.

Assam CEE-2019