F = m*a
30 N = (ma + mb) * a
30 = 5*a
a = 6 m/s ^2
F de B em A
30 - F de B,A = ma * a
30 - F de B em A = 3 * 6
30 - 18 = F de B em A
12 = F de B em A
Resposta: 6 m/s^2 e 12N
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Abç!
<span>c) what is the angle (relative to the horizontal) of the balls initial velocity?
</span>
Answer:
They increase the time it takes to slow you down, which decreases the force applied to you.
Explanation:
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A control variable is the one element that is not changed throughout an experiment.A dependent variable is a variable whose variation does not depend on that of another.A independent variable is a variable whose value depends on that of another.
Explanation:
<em>hopes </em><em>it's </em><em>h</em><em>elped </em><em>uh </em><em>mate</em><em>!</em>
