Question

A car is moving with a velocity 20ms-1. The brakes are applied to retsrd it at a rate of 2ms-1. what will be the velocity after 5s of applying the brakes.​

Answer 1

Answer:

ᴜ = 20ᴍ/s

ᴀ = 2ᴍ/s^2

ᴛ = 5s

ᴠ = ?

ᴠ = ᴜ + ᴀᴛ

ᴠ = 20ᴍ/s + 2ᴍ/s^2*5s

ᴠ = 20 ᴍ/s + 10 ᴍ/s

ᴠ =30ᴍ/s

30ᴹ/ˢ ᵂᴵᴸᴸ ᴮᴱ ᵀᴴᴱ ᵛᴱᴸᴼᶜᴵᵀᵞ ᴬᶠᵀᴱᴿ 5ˢ ᴼᶠ ᴬᴾᴾᴸᵞᴵᴺᴳ ᵀᴴᴱ ᴮᴿᴬᴷᴱˢ .

༄ ᴴᴼᴾᴱ ᴵᵀ ᴴᴱᴸᴾˢ ༄