A body of mass 30 kg moving north a velocity of 0.5 ms-1 subjected of 15 N North for 2.7 s. No need to explain just give me the answer I’m in a test thanks

Question: a body of mass 30 kg moving north a velocity of 0.5 ms-1 subjected of 15 N North for 2.7 s.  Calculate the final velocity of the body.

14 m/s

Explanation:

From the question,

F = ma Equation 1

make a the subject of the equation

a = F/m Equation 2

Given: F = 15 N, m = 30 kg.

Substitute these values into equation 2

a = 15/3

a = 5 m/s².

Using,

a = (v-u)/t Equation 3

Where v = final velocity, u = initial velocity, t = time.

Given: u = 0.5 m/s, t = 2.7 s and a = 5 m/s²

Substitute these values into equation 3

5 = (v-0.5)/2.7

(v-0.5) = 5×2.7

v-0.5 = 13.5

v = 13.5+0.5

v = 14 m/s

1= 26.17

2= 1.17

3=30.86

4=5.86

just took the assigment on edge

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