Question

What is the height reached by the ball after 1 second?

1 point

64m

128m

32m

20m​

Answer 1

The height reached by the ball after one second is 20m as the speed of the ball is 20m per second and there is no air or wind resistance.

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Answer 2

Given:

The height reached by the ball after the$1$ second.

To find:

Find the seconds.

Step-by-step explanation:

$h=t^{2}-2t-35=28$

substitute the value of $t=1$

$1^{2}-2(1)-35=28$

$1-2-35=28$

$=1-2-35-28$

$=1-65$

$=-64$

The height cannot be negative.

Answer:

Therefore, The height is reached by the ball after $1$ seconds $64m$.