Someone help me with this pls

Can you use radiation to generate electricity

Astudent is working in the lab to determine how time affect impulse the student keeps the force the same in each row but changes impact the time some data is shown witch trial has the greatest a student is working in the lab to determine how time affect impulse the student keeps the fours the same in each row but change is the impact time some data shown witch trial has the greatest impulse

An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?