seanwash4 seanwash4

23-11-2020
Physics

contestada

If a 28-N force causes a rock to accelerate at 4 m/s/s, what is the mass of the rock?

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quasarJose quasarJose

24-11-2020

Answer:

7kg

Explanation:

Given parameters:

Force on the rock = 28N

Acceleration = 4m/s²

Unknown:

Mass of the rock = ?

Solution:

According to newton's second law of motion;

Force = mass x acceleration

Insert the given parameters to find the mass;

28 = mass x 4

mass = [tex]\frac{28}{4}[/tex] = 7kg

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