final exam reveiw Word Scramble
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| Question | Answer |
| What is velocity? | The speed of something in a given direction. |
| What is Newtons 1st law? | An object in rest will stay in rest, and an object in motion will stay in motion until acted upon. |
| What is Newtons 2nd law? | The acceleration of an object depends upon two variables, the net force and the mass. |
| What is Newtons 3rd law? | For every action there is and equal and opposite reaction. |
| What is an elastic reaction and what does it do? | A type of collision where the total kinetic energy of the system is conserved. It's between 2 physical objects in which the total kinetic energy of the 2 bodies remain the same. |
| What is thermal energy? | Energy contained within a system that is responsible for its temperature. |
| How do you calculate voltage? | Voltage is equal to current, multiplied by resistance. |
| What is voltage? | An electromotive force or potential difference expressed in volts. |
| What is a current? | A flow of charged particles, such as electrons or ions. |
| What is resistance? | Resistance is a measure of the opposition to the flow of current in an electrical circuit. |
| What things affect the rate of heat transfer? | Temperature difference between the objects, The material and thickness of the objects, and the surface area. |
| How do you tell if a circuit is open or closed? | A circuit is open if there's a break in the path for current to flow, meaning no current is flowing. A circuit is closed if it's a complete path, allowing current to flow. |
| What is the difference between a transverse and longitudinal wave? | The direction of the particle motion relative to the wave's direction of travel. |
| What are the units that we measure frequency in? | Hertz. |
| What's an electromagnetic wave? | Electromagnetic radiation is a self-propagating wave of the electromagnetic field that carries momentum and radiant energy through space. |
| What is a hypothesis? | A supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation. |
| Whats velocity's equation? | Distance divided by Time. |
| What does acceleration mean? | Increase in the rate or speed of something. |
| What are the units for work? | Joules |
| How do you calculate work? | Force times distance |
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