An electric field of 7.50×105 v/m is desired between two parallel plates, each of area 45.0 cm2 and separated by 2.45 mm of air. what charge must be on each plate?

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

70 give a real life example showing how sensory neurons work with the motor neurons

I’ve been stuck on this for a while