PH-1501

Resultant force and F = ma

Physics · Secondary 4 · Medium · Resultant force and F = ma

A 0.25 kg ball is thrown horizontally and experiences an air resistance of 0.40 N opposite to its motion.

What is the horizontal acceleration of the ball?

$0.10\,\text{m/s}^2$
$0.63\,\text{m/s}^2$
$1.6\,\text{m/s}^2$
$6.3\,\text{m/s}^2$

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