4N
5N
48N
60N
Correct answer is C
R.D = \(\frac{m}{m - m_2} = 5 = \frac{60}{60 - m_1} = \frac{240}{5} = 48N\)
A tuber of cassava can be processed into powder. This explains the fact that
matter can change sponteneously from one state to another
matter cannot be destroyed
force is required to change matter from one state to another
matter is made up of tiny particles
Correct answer is D
No explanation has been provided for this answer.
12 and 6
14 and 7
16 and 8
19 and 8
Correct answer is C
No explanation has been provided for this answer.
boron rods
concrete shield
graphite rods
uranium rods
Correct answer is A
No explanation has been provided for this answer.
Which of the following is usually used to cause fission in an atomic reactor?
Alpha particles
beta particles
electrons
Neutrons
Correct answer is D
No explanation has been provided for this answer.