Question

pls answer in detail​

Answer 1

Answer:

Please View this attachment.

HOPE IT HELPS YOU!!!

Answer 2

Answer:

v^2 - u^2 = 2as

here a = dv/dt = -0.5m/s^2

also v= 0 and u=12m/s

s = 144/1

there fore distance covered before coming to rest is 144 meters

also s= ut + (at^2)/2

144 = 12t + (t^2)/4

t^2 +48t -576 = 0

solve the equation so that u get the time