What is relation between resistance and resistivity? The resistance of a cylindrical segment of a conductor is equal to the resistivity of the material times the length divided by the area: R≡VI=ρLA. The unit of resistance is the ohm, Ω. For a given voltage, the higher the resistance, the lower the current. Why does voltage […]
What are characteristics of plane mirrors?
What are characteristics of plane mirrors? An image formed by a plane mirror has the following characteristics: Virtual and erect. Behind the mirror. The size of the image is equal to the size of the object. Laterally inverted image (image of the left side visible on the right side). What are 3 uses of plane […]
What material has the highest coefficient of linear expansion?
What material has the highest coefficient of linear expansion? Thermal expansion coefficients for some common materials coefficient of linear thermal expansion α material α in 10-6/K at 20 °C Invar 1.2 Diamond 1 Quartz, fused 0.59 What is term used for 2x linear expansion? Answer: polynomial linear equation. Step-by-step explanation: because in the above equation […]
What are the two best ways to meet energy needs?
What are the two best ways to meet energy needs? Environmental Science – Conservation of Energy Resources (1) Use more energy-efficient vehicles (ex:hybrids) Pass laws to lower speed limits. Use public transportation. Carpooling. Work at home. Ride bikes. How can you improve the energy performance of the building? Regulate Heating with Thermostats Such wasteful habits, […]
Why is it called an odometer?
Why is it called an odometer? An odometer or odograph is an instrument used for measuring the distance traveled by a vehicle, such as a bicycle or car. The noun derives from ancient Greek ὁδόμετρον, hodómetron, from ὁδός, hodós (“path” or “gateway”) and μέτρον, métron (“measure”). How does the speedometer work? Pérez. Android apps include […]
What is the maximum power of solar panel?
What is the maximum power of solar panel? Solar panels usually range in wattage output from around 250 watts to 400 watts, but some panels exceed the 400 watt mark. The solar panel with the highest watt is the SunPower E-Series, a commercial solar panel line. How much power does a 6.6 kW solar system […]
Why is serving the most important part of the game of tennis?
Why is serving the most important part of the game of tennis? The serve is a great weapon that allows a player to gain “free” points or gives them an easy ball to put away or control a point. If you’re more advanced, the idea becomes making your opponent uncomfortable running to balls or getting […]
How do you use cognitive dissonance in a sentence?
How do you use cognitive dissonance in a sentence? Cognitive-dissonance sentence example If they try to have open minds they experience cognitive dissonance . The theory of cognitive dissonance is supposed to explain why people gamble. It could therefore be expected to set up cognitive dissonance in anyone considering voting conservative. What is a good […]
When did man appear on Earth?
What are the key areas of development in early childhood?
What are the key areas of development in early childhood? Important areas of early childhood development Social and emotional. Language/communication. Movement/physical development. Cognitive (learning, thinking, problem-solving) What are normal developmental milestones? Skills such as taking a first step, smiling for the first time, and waving “bye bye” are called developmental milestones. Children reach milestones in […]