A copper wire is connected across a constant voltage source. Which change will cause an increase in the current flowing through the wire? A. an increase in the length of the wire B. an increase in the resistance of the wire C. an increase in the diameter of the wire D. an increase in the insulation around the wire

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?

Why does a collision with an airbag cause less damage than a collision with a steering wheel