Why are planets closer to the sun made of different substance than planets father from the sun?

When light passes the layer of diffrent densities A light refracted B both Choices C a marige is created

A high frequency wave has a short wavelength true or false

At the top of a roller coaster you have 90j of potential energy and 10 j of kinetic energy at the bottom of the roller coaster you now have 90j of kinetic energy how much potential energy do you have at the bottom of the coaster?

The interference pattern seen when light passes through narrow, closely spaced slits, is due to 1) diffraction. 2) reflection. 3) refraction. 4) dispersion. 5) deflection.

Infrared radiations are produced when a changing electric field creates a longitudinal wave parallel to it longitudinal wave perpendicular to it changing magnetic field parallel to it changing magnetic field perpendicular to it

What do we call seismic waves that are transmitted along the outside of earth?

A wave with a speed of 437 m/s has a frequency of 28 hertz. What is the length of the wave?

Which situation is contrary to Newton's first law of motion? An object at rest begins to move when an external force is applied. A moving object has a constant velocity under the influence of balanced forces.

Since you've determined that the power supply is a 700W dual rail, what does that make the maximum output power?

A 2 m length of an aluminum pipe of 240 mm outer diameter and 10 mm wall thickness is used as a short column to carry a 640? centric axial load. Knowing that? = 73? P? and? = 0.