Question

An object is pushed with a velocity of 50m/s. It stops after a distance of 50m. Find its mass if the force used is 2.5N. *

Answer 1

Answer:

the mass of body is 0.1 kg

Explanation:

initial velocity u = 50m/s

final velocity v = 0

distance s = 50 m

let acceleration be a m/s²

applying third equation of motion

v² - u² = 2as

0 - (50)² = 2 a × 50

-2500 = 100a

a = -2500/100

a = -25m/s²

(negative indicate retardation)

now,

force = 2.5 N (given)

applying Newton's second law

F = ma

2.5 = m × 25

m = 2.5/ 25 kg

m = 0.1 kg

hope it helps

please mark my answer as brainliest