Apack of pencils at the top of a 100m desk bas a mass of 10 kg. what is the pack of pencils gravitational potential energy?

answer today and explain if you can!

Which type of wave can travel without a medium

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z

Each neuron shown in this figure innervates a group of muscle fibers. what is the term for a group of muscle fibers innervated by a single neuron?