NCERT Exemplar Science - Class 9>Chapter 8 - Motion>Long Answer Questions>Q 23

HARD

9th CBSE

IMPORTANT

Earn 100

Obtain a relation for the distance travelled by an object moving with a uniform acceleration in the interval between $4 t h$ and $5 t h$ seconds.

Important Questions on Motion

HARD

9th CBSE

IMPORTANT

NCERT Exemplar Science - Class 9>Chapter 8 - Motion>Long Answer Questions>Q 24

Two stones are thrown vertically upwards simultaneously with their initial velocities

u_{1}

and

u_{2}

respectively. Prove that the heights reached by them would be in the ratio of

{u_{1}}^{2} : {u_{2}}^{2}

(Assume upward acceleration is

- g

and downward acceleration to be

+ g

).

MEDIUM

9th CBSE

IMPORTANT

NCERT Exemplar Science - Class 9>Chapter 8 - Motion>Multiple Choice Questions>Q 1

Which of the following statement is not correct for an object moving along a straight path in an accelerated motion?