Which of the following electromagnetic waves has the shortest wavelength?

A.

visible light waves

B.

ultraviolet waves

C.

microwaves

D.

infrared waves

What is the temperature - 34c expressed in kelvins?

What condition is most necessary to build a glacier?

A wheelbarrow is a compound machine True False

A 500kg box falls from a cliff which is 12000m tall. Find the speed, KE, PE, and TE of the box at the height = 1200, 750, and 0.

A car slows down at - 5.0 m/s^2 until it comes to a stop after traveling 15.0 miles how much time did it take to stop

A rock with mass m = 3.60 kg falls from rest in a viscous medium. The rock is acted on by a net constant downward force of F = 15.

Two electrons are 2.3nm apart. What is the force between two electrons?

3. In a demonstration learning activity, A. the teacher shows children how something works or how to complete an entire activity. B. each child shows and tells about a favorite toy. C.

A 0.12 kg paper airplane flies in a straight line at a speed of 1.3 m/s. How much kinetic energy does the airplane have?

Each atom is composed of electrons and positive material. The mass of the atom is evenly spread throughout the atom. Neutrons are located in the center of the atom. Positive charge occupies a very small volume in the atom.