A body is allowed to fall from a height of 100 m. If the time taken for the first 50 m is t₁ and for the remaining 50 m is t₂.

Which is correct?

• A

  ${\mathrm{t}}_1={\mathrm{t}}_2$

• B

  ${\mathrm{t}}_1>{\mathrm{t}}_2$

• C

  ${\mathrm{t}}_1<{\mathrm{t}}_2$

• D

  Depends upon the mass

The ratio of t₁ and t₂ is nearly

• A

  5:2

• B

  3:1

• C

  3:2

• D

  5:3

The ratio of times to reach the ground and to reach first half of the distance is

• A

  $\sqrt{3}:1$

• B

  $\sqrt{2}:1$

• C

  $5:2$

• D

  $1:\sqrt{3}$

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