Category: Physics

What are the 6 stages of the design process? Designers tend to use a six-stage process to organize their fact finding and decision making: (1) Empathy, (2) Define, (3) Ideate, (4) Prototype, (5) Test, and (6) Launch. Note, user refers to anyone who is a target of our design work. Empathy: Empathy is the foundation […]

Can you imagine a world without electricity? To be honest, one can’t imagine a life without electricity. Although we experience blackouts and power outages, a life entirely without electricity is unimaginable. What would happen if electricity was never invented? Originally Answered: If electricity was not invented, what would life be like? Without electricity, we would […]

Can you bounce a basketball on grass? At least two different surfaces to bounce a basketball on, with at least one hard surface and one soft surface (For example, you could use carpet, concrete, grass, linoleum and a basketball court. The surface needs to be flat and next to a wall or other large perpendicular […]

What is an example of a directional hypothesis? Directional hypothesis: A directional (or one tailed hypothesis) states which way you think the results are going to go, for example in an experimental study we might say…”Participants who have been deprived of sleep for 24 hours will have more cold symptoms in the following week after […]

Which of the following will increase the energy of a photon? The energy of the photon depends on its frequency (how fast the electric field and magnetic field wiggle). The higher the frequency, the more energy the photon has. As the frequency of a photon goes up, the wavelength () goes down, and as the […]

Why does the sun burn us Readworks? The Short Answer: There is infrared radiation, which is heat. There is visible light, which is what our eyes can see. There is also ultraviolet light. We can’t see ultraviolet with our eyes, but it can burn our skin. How is the sun burning without oxygen? The Sun […]

Is chlorine trifluoride illegal? Though it was easily produced, only about 30-tons were ever produced. The chemical’s instability and reactive properties made it incredibly dangerous to handle. Fortunately, since the war, the compound has been banned under the Chemical Weapons Convention. What is the most common use for most of the lightweight organic compounds? Answer. […]

What are the advantages and disadvantages of microwave transmission? Microwave Radio Communications Advantages & Disadvantages Advantage: Able to Transmit Large Quantities of Data. Advantage: Relatively Low Costs. Disadvantage: Solid Objects. Disadvantage: Subject to Electromagnetic and Other Interference. Which of the following is the main advantage of microwave? At microwave frequencies , there are better directive […]

Is vinegar an acid base indicator? A solution with a pH between 5 and 7 is neutral, 8 or higher is a base, and 4 or lower is an acid. Lime juice, lemon juice and vinegar are acids, so they should have turned the indicator solution red or purple color. An indicator, like anthocyanin, responds […]

What are 5 everyday items that have permanent magnets in them? Magnets Are Everywhere Fridge Magnets. White HOOK-WHT hooks holding up a few aprons on a steel door. Magnetic Cabinet Latches. Magnetic cabinet catch. Audio Speakers. Audio Speakers. Electric motors. An electric motor from a DVD drive. More Electronic Devices. Laptops have speakers, magnetic sensors, […]