What is the common ratio in the geometric sequence 6 54? A geometric sequence (also known as a geometric progression) is a sequence of numbers in which the ratio of consecutive terms is always the same. For example, in the geometric sequence 2, 6, 18, 54, 162, …, the ratio is always 3. This is […]
What are the types of voltage sources?
What are the types of voltage sources? Types of Voltage Source Independent Voltage Source: They are of two types – Direct Voltage Source and Alternating Voltage Source. Dependent Voltage Source: They are of two types – Voltage Controlled Voltage Source and Current Controlled Voltage Source. What are two voltage sources? Both types of electrical sources […]
What are the three basic types of electrical materials?
What are the three basic types of electrical materials? More videos on YouTube Switch. Probably the first thing that you do when you come back home in the evening or when there is darkness in the room is switch the light on. Fuse. Another common electrical material is the fuse. Male plug. Convenience outlet. Circuit […]
What is an emission spectrum used for?
What is an emission spectrum used for? The emission spectrum can be used to determine the composition of a material, since it is different for each element of the periodic table. One example is astronomical spectroscopy: identifying the composition of stars by analysing the received light. What is the difference between emission spectrum? So this […]
What are the two main forms of mechanical energy?
What are the two main forms of mechanical energy? There are two main types of mechanical energy. They are motion energy and stored mechanical energy. Motion energy: This is the energy something has because it is moving (eg a speeding cricket ball). You can feel the effect of this energy if the cricket ball hits […]
What are the three main ways that cells communicate?
What are the three main ways that cells communicate? The three main ways for cells to connect with each other are: gap junctions, tight junctions, and desmosomes. These types of junctions have different purposes, and are found in different places. How do cells interact with their environment? Section 2.4Cells Can Respond to Changes in Their […]
Which organisms could not move?
Which organisms could not move? There are some living organisms that don’t move. Two examples are adult barnacles and coral! Answer 3: In the field of biology, we have defined a set of requirements that characterize what a living thing is. Do living organisms have to move? All living organisms have internal movement, which means […]
What is difference between acceleration and momentum?
What is difference between acceleration and momentum? Acceleration is the rate of change of velocity. Momentum is the mass times the velocity. So if you multiply the mass times the acceleration, you get the rate of change of momentum. Why do we use momentum? Momentum is an important consideration in physics because it describes the […]
What is the correct way to use a seat belt?
Can we walk without friction?
Can we walk without friction? Without friction, we wouldn’t be able to walk, run, or drive our cars. On the other hand, friction can also reduce energy efficiency such as the air friction that fights against the motion of vehicles. Consider the good first. In order to move forward, we need to push back on […]