Answer:
2 and 7.
Step-by-step explanation:
28 = 2*2 * 7
Thus the 2 prime numbers are 2 and 7.
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.
I'm assuming you don't still need these? Sorry I didn't see this in time
