A charged acrylic rod is brought close to a pith ball. The pith ball attracted to the rod, makes contact, and is then repelled by the red. This an example of A) grounding
B) static discharge
C) induction
D) conduction
E) none of the above

Research the neutrino using the internet and report your findings. in a nuclear decay, the nucleus of an atom splits apart. larger particles can be detected and their masses and velocities can be recorded. explain how the existence and properties of the neutrino could be predicted using the conservation laws.

Will you chech and finish these for me, because i am stumped with them.

Two polarizers are oriented at 70∘∘ to one another. unpolarized light falls on them. what fraction of the light intensity is transmitted?