Category: Physics

How wages are determined? Just as in any market, the price of labor, the wage rate, is determined by the intersection of supply and demand. When the supply of labor increases the equilibrium price falls, and when the demand for labor increases the equilibrium price rises. What are the factors affecting wages and salary? The […]

Do you need a male and female apple tree to get fruit? Pollinating Apple Tree Flowers Like all fruit trees, apples need to be pollinated if they are to set fruit. This involves the transfer of pollen from the stamen (the male part of the flower) to the stigma (the female part). How many years […]

What is a greedy woman called? The definition of avaricious is greedy and money-hungry. The definition of abstemious is someone who abstains or is moderate, often specifically in their consumption of food and beverage. What do you call a person who asks for money? The definition of a beggar is a person who asks people […]

What is easier rolling or sliding? When an object rolls over the surface of another object ,the resistance to its motion is called rolling friction. It is always easier to roll than to slide an object over another object.So rolling friction is much less than the sliding friction. Why is sliding faster than rolling? 25ex2 […]

How do you use please correctly? Please is an adverb that functions as an interjection in polite requests. It can go at the beginning, middle, or end of a sentence….It might appear as: part of a phrase no commas needed, e.g. Don’t forget to say please and thank you. as a verb with no commas […]

How do you calculate a pulley system? To calculate the mechanical advantage of a pulley you simply have to count the number of rope sections that support whatever object you are lifting (not counting the rope that is attached to the effort). For example, in a one pulley system the MA is 1. In a […]

Why is the crater important? The Planetary Deep Past Impact craters allow scientists to study a planet’s geological history—even when the records are buried beneath the surface. Rocks ejected by impacts contain minerals that formed in the presence of liquid water; some craters also show signs of ancient lakes. What is the biggest crater on […]

At what height the acceleration due to gravity will be reduced to 36% of its value? We can write the relation between actual acceleration due to gravity and the apparent acceleration due to gravity. Hence, the height above the surface of the earth where the acceleration due to gravity is reduced by 36% of its […]

What is the rate of change on a graph? A rate of change relates a change in an output quantity to a change in an input quantity. The average rate of change is determined using only the beginning and ending data. See (Figure). Identifying points that mark the interval on a graph can be used […]

Is biome a ecosystem? A biome is a large region of the world that has similar plants, animals and other organisms that are adapted to the terrain and weather of that region. An ecosystem is the interaction of plants and animals with nonliving things and each other. Is ecosystem bigger than community? The population, which […]