true or false? The law of conservation of energy states that energy can be created or destroyed. Energy can also be transfered

In which of the following would you expect the best transmission of light? a. hot gas b. a glass of very cold liquid c. an object in the solid state d. colored cloth

Two technicians are discussing dual-stage airbags. Technician A says that a deployed airbag is safe to handle regardless of which stage caused the deployment of the airbag.

A truck accelerating at 0.0083 meters/secondÆ covers a distance of 5.8 * 10Ê meters. If the truck's mass is 7,000 kilograms, what is the work done to reach this distance?

Microscopes are often equipped with blue filters. give a reason for using blue light in a microscope

Technician A says to use lineman's gloves when servicing the high voltage system on hybrid electric vehicles. Technician B says that hybrid vehicles have a plug to disable the high voltage system before service. Which technician is correct?

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.