Question

A force of 100 Newton is applied on an object of mass 15 kg moving with a velocity of 10 m/s for 10 seconds, find the final velocity of the object

Answer 1

Answer:

F = m a

a = F / m

a = 100/ 15

a = 6.6 m / s^2

now

v = u + a t

v = 10 + 10 × 6.6

v = 10 + 66

v = 76 m / s

Answer 2

Answer:-

Given:

Force (F) = 100 N

Mass of the object (m) = 15 kg

Initial Velocity (u) = 10 m/s

Time (t) = 10 s

Final Velocity (v) = ?

Let the final Velocity be "v".

We know that,

Force = mass * acceleration

And,

Acceleration = (v - u) / t

Hence,

(15) * (v - 10) / 10 = 100

→ 15 / 10 * (v - 10) = 100

→ v - 10 = 100 * 10 / 15

→ v - 10 = 66.6

→ v = 66.6 + 10

→ v = 76.6 m/s

Hence, the final Velocity of the object is 76.6 m/s.