A man stands on a crane and throws a water balloon down at at 21 m/s. He finds that it takes 2.4s for the balloon to hit the ground. How fast is the water balloon travelling when it hits the ground?

Answer 1

Water balloon will hit the ground at #color(purple)(44.52 m/s^2#

#u = 21 m/s, t = 2.4 sec, g = 9.8 m/s^2#
#color(red)(v = u + a t = u + g t#
#v = 21 + 9.8 * 2.4 = 21 + 23.52 = 44.52 m / s#
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Answer 2

The water balloon's speed when it hits the ground is approximately 47.04 m/s.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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