Answer:
a)
b)
c) 5
Step-by-step explanation:
Answer: bd=8 dc=2 and ae=4 so value of ab=16
50 miles
20 multiplied by 2.5 = 50
First:
F=m.a
=4*7
=28N
Second:
28=m.2. (force is constant,so F=28N)
28/2=m
m=14kg.
