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Sav [38]
3 years ago
15

help! im timed. A ball is thrown downward with an initial velocity of 12.1 m/s. How long will it take to reach a velocity of -24

.5 m/s?
Physics
1 answer:
Ulleksa [173]3 years ago
4 0

Answer:

1.27\:\text{s}

Explanation:

We can use the following kinematics equation to solve this problem:

v_f=v_i+at

Solving for t:

-24.5=-12.1+-9.8t,\\-12.4=-9.8t,\\t=\frac{-12.4}{-9.8}\approx \boxed{1.27\:\mathrm{s}}

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Explanation:

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2 years ago
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lesantik [10]

Answer:

<h3>The answer is 80 N</h3>

Explanation:

The force acting on the object can be found by using the formula

f =  \frac{w}{d}  \\

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We have

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