There is a 5.0 C charge at each of 3 corners of a square (each side 70. mm long). What is the force on +6.0 C placed at the center of the square?
What will be an ideal response?
Question 2
The radioactive isotope 7Be (atomic number 4 ) decays to the isotope 7Li (atomic number 3). What type of radioactive decay is this?
A) electron capture
B) beta decay
C) electron ionization
D) alpha decay