Is burning 300 calories a day good? The participants who exercised for 30 minutes a day, burning 300 calories, lost an average of 7 pounds. It doesn’t seem to make mathematical sense, but neither do your hunger habits. Researchers found that participants in the 600-calorie category were eating more in each meal and snack. How […]
Why is a sit up a second class lever?
Why is a sit up a second class lever? Second-Class Levers In a second-class lever, the resistance lies between the fulcrum and the force, as in a wheelbarrow. Exercises that require plantarflexing the ankle, such as seated or standing calf raises, employ a second-class lever. What’s an example of a second class lever? In a […]
What word is used to refer to a group of organ systems working together?
What word is used to refer to a group of organ systems working together? organism What word is used to refer to a group of organ systems working together organism cell tissue organ? The answer is most likely organism. What three organ systems must work together to bring oxygen to the body cells? For example, […]
How do you know if a reaction is endothermic or exothermic?
How do you know if a reaction is endothermic or exothermic? An exothermic process releases heat, causing the temperature of the immediate surroundings to rise. An endothermic process absorbs heat and cools the surroundings.” Is Melting Chocolate endothermic? endothermic – An endothermic reaction occurs when the elements are absorbing the heat allowing the solution to […]
What happens when mercuric oxide and potassium nitrate are heated?
What happens when mercuric oxide and potassium nitrate are heated? When mercuric oxide is heated, it decomposes to give mercury and oxygen. Potassium nitrate on heating gets converted into molten potassium nitrite with the release of oxygen. What Happens When mercuric oxide is subjected to heating? Mercury(II) oxide, a red solid, decomposes when heated to […]
Is beach replenishment cheap?
Is beach replenishment cheap? Beach nourishment Relatively inexpensive option but requires constant maintenance to replace the beach material as it is washed away. Who pays for beach replenishment? Federally authorized shore protection projects are usually funded with up to 65% federal funds and 35% from the local cost share sponsor. 3 These projects come at […]
Are all projectiles parabolic?
Are all projectiles parabolic? Projectile motion is parabolic because the vertical position of the object is influenced only by a constant acceleration, (if constant drag etc. is also assumed) and also because horizontal velocity is generally constant. Why are parabolas important in real life? The parabola has many important applications, from the design of automobile […]
What are the hardest airports to land at?
What are the hardest airports to land at? In no particular order, we’ve put together a list of the 25 most dangerous airports in the world that are every pilot’s worst nightmare! Courchevel Airport, France. Princess Juliana Airport, Caribbean. Matekane Air Strip, Lesotho. Tioman Island Airport, Malaysia. Juancho Airport, Caribbean. Gibraltar Airport. What is the […]
When a positive charge moves in the direction of the electric field what happens?
When a positive charge moves in the direction of the electric field what happens? (1), we see that the direction of the electric field vector at any given point is the same as the direction of the force that the field exerts on a positive test charge located at that point. A positive test charge […]
What part of atom has no charge?
What part of atom has no charge? neutron Is an atom mostly empty space? Atoms are not mostly empty space because there is no such thing as purely empty space. Atoms are filled with electrons. It’s true that a large percentage of the atom’s mass is concentrated in its tiny nucleus, but that does not […]