Category: Physics

What can a green leaf be compared to? A green leaf is compared to a factory as it manufactures food for the plant. Does photosynthesis occur in leaves? In plants, the process of photosynthesis takes place in the mesophyll of the leaves, inside the chloroplasts. Chloroplasts contain disc-shaped structures called thylakoids, which contain the pigment […]

Do more bushels of potatoes grow when the soil is fertilized? An investigation found that more bushels of potatoes were produced when the soil was fertilized more. Students measured the temperature of the water at different depths in Lake Skywalker and found that the temperature varied. Does potatoes need to be fertilized? As you will […]

What Cannot be burned by fire? Riddle: What can’t be burned in fire, nor drowned in water? Answer: Ice. What is a fire risk? A fire risk is the likelihood of a fire occurring and the consequences of that fire should one occur. 4. The legally defined Responsible Person under the Regulatory Reform (Fire Safety) […]

What is the centripetal force that allows a car to turn? friction What is difference between centripetal force and centrifugal force? Centripetal force is defined as, “the force that is necessary to keep an object moving in a curved path and that is directed inward toward the center of rotation,” while centrifugal force is defined […]

How do I find the mean of a frequency table? To find the mean add all the ages together and divide by the total number of children. How do you find the mean median and mode on a histogram? Mode = peak of dataset so, whichever bar of histogram is tallest, the mid point of […]

How do you use a pulley to multiply forces? To lift something four times heavier, you can use exactly the same force but only if you pull the rope four times further. If you look at what’s happening on both sides of a pulley, and multiply the force by the distance moved, you’ll find it’s […]

Does ozone kill bugs? This extra oxygen atom gives the molecule its ozone gas a very effective and powerful oxidizing power to kill insects, mold spores, mold growth, and odors such as pet odors and smoking odors. Bug-killing ozone gas returns to normal oxygen in about 30 to 45 minutes after turning off the ozone […]

What note is 786 Hz? The frequency of the third harmonic of middle C is 3 X 262 Hz = 786 Hz. These harmonic frequencies are the same no matter what instrument produces the middle C. How do you reduce harmonics? There are a number of methods to modify adverse system responses to harmonics: Add […]

Who is the father of cosmology? ACHARYA KAPIL How do Cosmologists study the universe? There are two main ways in which cosmological observations support perturbed FLRW models. First, cosmologists use matter and radiation in the universe to probe the background spacetime geometry and its evolution. What is Africa cosmology? In the framework of African cosmology, […]

What is Pascal law and its derivation? In the 1600’s, French scientist (Methematcian) Blaise Pascal (1623-1662) discovered one fact which is termed as Pascal’s Law. Pascal’s Law. According to Pascal’s Law, “Pressure or intensity of pressure at a point in a static. fluid will be equal in all directions”. What is Pascal’s law state its […]