Answer:
1. 431.2newtons
2. 1.47meters per second squared
Explanation:
f=ma
force of friction=normal force×coefficient of friction
normal force = mass× gravity
1.
nf=110kg × 9.8m/s^2 = 1078newtons
f=nf×cf
f=1078×.4=431.2
1
f=1078×.25=269.5
431.2-269.5=161.7
161.7=110kg× a
a=1.47