What is the main idea in this paragraph? The main idea of a paragraph is the author’s message about the topic. It is often expressed directly or it can be implied. Which sentence is the topic sentence in the paragraph? The topic sentence is usually the first sentence of the paragraph because it gives an […]
What must all living things have?
What must all living things have? The seven characteristics of life include: responsiveness to the environment; growth and change; ability to reproduce; have a metabolism and breathe; maintain homeostasis; being made of cells; and. passing traits onto offspring. Do all living things need oxygen? Most living things need oxygen to survive. Oxygen helps organisms grow, […]
Under what condition is Ecell 0 and g 0?
Under what condition is Ecell 0 and g 0? Both can be equal to zero when the reaction is is in a state of equilibrium. What is the difference between cell potential and electrode potential? The cell potential of an electrochemical cell is the difference in between its cathode and anode. The electrode potential of […]
Can you fix a garden hose with duct tape?
Where is the center of the Earth location?
Where is the center of the Earth location? In 2016, Google Maps marked Isenberg’s result of 40°52′N 34°34′ECoordinates: 40°52′N 34°34′E as the geographical center of Earth. Is Mecca the Centre of the earth? Starting from the earth shapes are flat globe and elliptical, besides that the center of the earth in the North Pole, Mecca, […]
How does wheel size affect your robot?
How does wheel size affect your robot? Choose smaller sized wheel for flat terrain, larger wheel for more “off-road” (or large obstacles) Proportional to the size of the robot (choosing a wheel proportional to the size of the robot will usually mean the motor you will need is also proportional, and the robot has a […]
Can a moving police car clock your speed?
Can a moving police car clock your speed? The word “radar” is an acronym for “Radio Detection and Ranging.” In simple terms, radar uses radio waves reflected off a moving object to determine its speed. With police radar, that moving object is your car. To clock your speed with radar, this means you must be […]
How many days before and after period is safe?
How many days before and after period is safe? You’re most fertile at the time of ovulation (when an egg is released from your ovaries), which usually occurs 12 to 14 days before your next period starts. This is the time of the month when you’re most likely to get pregnant. It’s unlikely that you’ll […]
What is the normal force between the two blocks?
What is the normal force between the two blocks? In other words, acceleration of each of the block is “gsinθ”. As such, the blocks move with equal acceleration and hence there is no normal force between the surfaces of the two blocks. What if there was no normal force? The normal force is very important […]
How fast is the average volleyball serve?
How fast is the average volleyball serve? Olympic Games Bulgaria’s Matey Kaziyski, for example, recorded a spike that reached 132 km/h, which is equivalent to 80.8 mph, in an international volleyball match in 2012. The average speed of an Olympic volleyball spike from men is roughly 70 to 80 mph. What is the longest volleyball […]