Category: Physics

What is the net external force on an object in free fall? The net external force is just the weight of the object (F = W). Substituting into the second law equation gives: a = W / m = m * g / m = g . The acceleration (change of velocity) of the object […]

What do you mean by cost efficiency? As explained in the example above, cost-efficiency is a type of business efficiency strategy. Simply put, it is the act of saving money by making a product or performing an activity in a better way. Businesses measure cost-efficiency by monitoring the ratio of the output produced to the […]

How does the apple taste? The flesh is slightly crunchy, but easily gives way. The skin is edible — but flavorless. The apple itself has a distinct flavor making it an apple flavor. It’s a little sour and bitter, but mostly sweet, not at all salty, very juicy in general. What is the color of […]

Did medieval archers use tabs? English archers usually shot with two fingers and wore a tab that was more like a tied on glove, or an actual glove. Source: Social and Military History of the Longbow, by Hardy. Native Americans generally did not, but many groups used modified pinch grips. Did medieval archers use gloves? […]

How do you decline a kiss? Let the person down easy. Look for a way to respectfully and tactfully decline. Try saying, “I’m sorry, but I’m not romantically interested in you.” Say, “I love our friendship, but I’m not ready to take it to the next level.” Say, “Thank you, but no thank you,” or […]

What is the force on a current carrying conductor? The force on a current-carrying wire in a magnetic field is F = IlB sin θ. Its direction is given by RHR-1. What is the force on a current carrying wire that is parallel? Force on a current-carrying wire that is parallel to the magnetic field […]

What do you call a substance dissolved any solution? When one substance dissolves into another, a solution is formed. A solution is a homogeneous mixture consisting of a solute dissolved into a solvent . The solute is the substance that is being dissolved, while the solvent is the dissolving medium. Is caffeine a solute? Coffee […]

How liquid is measured? noun. the system of units of capacity ordinarily used in measuring liquid commodities, as milk or oil. English system: 4 gills = 1 pint; 2 pints = 1 quart; 4 quarts = 1 gallon. Metric system: 1,000 milliliters = 1 liter; 1,000 liters = 1 kiloliter (= 1 cubic meter). How […]

Which two organisms are the most closely related? Which pair of organisms are most closely related? Organisms 2 and 3 are most closely related because they have the same family name. Organism 2 is a lion, organism 3 is a common housecat, and organism 1 is a human. Which best describes the two types of […]

What are the hazards of magnesium? ► Exposure to Magnesium may cause “metal fume fever.” This is a flu-like illness with symptoms of metallic taste in the mouth, headache, fever and chills, aches, chest tightness and cough. The symptoms may be delayed for several hours after exposure and usually last for a day or two. […]