Question

plz help physics motion in one dimension

Answer 1

u=20ms-1
v=0
distance=10cm=1/10m
a=?

v^2-u^2=2as third eqaution

Answer 2

Answer:2000ms^-1

Explanation:

v^2-u^2=2as

0+400=2×a×1/10

400×10÷2 = a

a= 2000ms^-1