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Questions in physics
📝 Answered - List four methods that can be used to separate mixtures and give an example of each method. 1. Filtration - Example: Separating sand from water. 2. Distillation - Example: Purifying alcohol. 3. Chromatography - Example: Separating pigments in ink. 4. Centrifugation - Example: Separating blood components.
📝 Answered - What is the minimum value an eccentricity can be?
📝 Answered - A metal box, attached to a small parachute, is dropped from a helicopter. Explain, in terms of the forces acting, why: (i) Its velocity increased immediately after being dropped. (ii) It reached a uniform velocity after a short time.
📝 Answered - What type of rock is the Haystack Rock? A. Igneous B. Metamorphic C. Sedimentary
📝 Answered - A snowball is launched horizontally from the top of a building at [tex]v = 16.9 \, \text{m/s}[/tex]. If it lands [tex]d = 44 \, \text{meters}[/tex] from the bottom, how high (in meters) was the building?
📝 Answered - Can water and pebbles form a solution?
📝 Answered - At sea level, water boils at 100 degrees Celsius, and methane boils at -161 degrees Celsius. Which of these substances has a stronger force of attraction between its particles? Explain your answer.
📝 Answered - Create a graphic organizer to display the physical properties of minerals.
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