Which is the best analogy of a wave? a. a wave is like building a ramp. b. a wave is like shaking a hand. c. a wave is like water rippling in a pond. d. a wave is like knocking down a building.

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.

What happens to the vapor pressure of a substance when its surface area is increased at constant temperature?

Which best offense of relationship between speed and velocity speed is velocity what displacement velocity and speed with displacement spee is based on a specific direction velocity isis based on displacement