A body starts to slide over a horizontal surface with an initial veloc

1.	A body starts to slide over a horizontal surface with an initial velocity of 0.5 m/s. Due to friction,its velocity decreases at the rate 0.05 m/s^2.How much time will it take for the body to stop?
Answer» HEY Pretty Stranger! • Initial VELOCITY, u = 0.5 m/s. • Final velocity, V = 0 m/s. • Acceleration, a = 0.05 m/s² $\sf \: Using \: 1st \: equation \: of \: motion :$ ★ v = u + at → 0 = 0.5 - 0.05 x t → 0.05 x t = 0.5 → t = 0.5/0.05 → t = 10 seconds $\therefore$ The body will take 10 seconds to stop.

A body starts to slide over a horizontal surface with an initial velocity of 0.5 m/s. Due to friction,its velocity decreases at the rate 0.05 m/s^2.How much time will it take for the body to stop?

Answer»

• Initial VELOCITY, u = 0.5 m/s.

• Final velocity, V = 0 m/s.

• Acceleration, a = 0.05 m/s²

$\sf \: Using \: 1st \: equation \: of \: motion :$

★ v = u + at

→ 0 = 0.5 - 0.05 x t

→ 0.05 x t = 0.5

→ t = 0.5/0.05

→ t = 10 seconds

$\therefore$ The body will take 10 seconds to stop.