Answer:
6 greeting cards for 23.40
Answer:
The first one (A) is the answer I got!
Step-by-step explanation:
Answer:
0.73 N to 2 dp.
Step-by-step explanation:
F = k/d^2 where k is a constant , F = force and d = distance.
Substituting:
0.36 = k / (6)^2
k = 36*0.36 = 12.96 s the equation is F = 12.96 / d^2.
When d = 4.2 :
F = 12.96 / 4.2^2
F = 0.73 Newtons to 2 dp.
Answer:
30
Step-by-step explanation:
You’re correct
To help you with it, plug-in 15 in each equation and see what you get!
