Please match word and definition Question 10 options:

flow of an electrical charge in a circuit

Prevents electrons from moving

provides a path for electrons to flow

electrons and electric current move easily

1.
electric current

2.
insulator

3.
electric circuit

4.
conductor

In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.

Diamond will scratch quartz. true or false

You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?