Why is Aluminium good for aircraft? Aluminum is ideal for aircraft manufacture because it’s lightweight and strong. Aluminum is roughly a third the weight of steel, allowing an aircraft to carry more weight and or become more fuel efficient. Furthermore, aluminum’s high resistance to corrosion ensures the safety of the aircraft and its passengers. Why […]
What are reactive metals used for?
What are reactive metals used for? Reactive metals, such as magnesium, are widely used in rust prevention and are known as sacrificial anodes. Iron will rust unless protected in some way. Reactive metals, when attached to less reactive metals, have the ability to prevent the less reactive metal from rusting. What are the five key […]
Is a 100 year old person old and 1000 year old artifact ancient?
What activity where you doing when your heart beat the fastest?
What activity where you doing when your heart beat the fastest? 1. Spinning is winning. One of the most surefire ways to rapidly increase your heart rate is Spinning. This low impact exercise can be performed at home if you have your own bike, or in a group setting. Which activity is the healthiest for […]
Is a compass needle an induced magnet?
Is a compass needle an induced magnet? The compass reacts with the earth’s poles to point in the direction of the earth’s North Pole. Rubbing the magnet against the needle in one direction caused the iron atoms in the object to line up and create a weak magnetic field, which made the needle behave like […]
What are the norms and values of a culture?
What are the norms and values of a culture? Cultural norms are sets of behaviors and beliefs shared by members of a society or group of people. Cultural norms are typically transmitted by government, educational and family social systems. Members of a culture are often expected to conform to the norms of the greater culture. […]
What do the numbers on a microscope objective mean?
What do the numbers on a microscope objective mean? Microscope objective lenses will often have four numbers engraved on the barrel in a 2×2 array. The upper left number is the magnification factor of the objective. For example, 4x, 10x, 40x, and 100x. The upper right number is the numerical aperture of the objective. For […]
Which is kept in kerosene?
Which is kept in kerosene? Sodium Can sodium and potassium be stored in water? Explanation: Sodium and potassium metals reacts very vigorously with water; this reaction gives out so much heat that the hydrogen evolved catches fire. Therefore, these metals are stored under kerosene. What happens when you mix potassium and sodium? Sodium reacts more […]
How much does a 8 foot 2×2 weigh?
What is the relationship between mass and distance?
What is the relationship between mass and distance? Newton’s law of universal gravitation states that every point mass in the universe attracts every other point mass with a force that is directly proportional to the product of their masses, and inversely proportional to the square of the distance between them. What is an attractive force […]