A 4 kilogram mass is moving East a 5 meter per second what will be its speed after 10 seconds if a force of 100 Newtons act on it​

255 m/s

Explanation:

From the question,

F = ma Equation 1

Where F = Force, m = mass, a = acceleration.

Make a the subject of the equation

a = F/m Equation 2

Given: F = 100 Newton, m = 4 kg.

Substitute these values into equation 2

a = 100/4

a = 25 m/s²

But,

a = (v-u)/t Equation 3

Where, v = Final velocity, u = initial velocity, t =  time

Given: u = 5 m/s, t = 10 s

Substitute into equation 3

25 = (v-5)/10

v-5 = 25×10

v-5 = 250

v = 250+5

v = 255 m/s

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