Category: Physics

What are the characteristics of standing waves? Key terms Term (symbol) Meaning Standing wave Waves which appear to be vibrating vertically without traveling horizontally. Created from waves with identical frequency and amplitude interfering with one another while traveling in opposite directions. Where is superposition theorem used? The theorem is applicable to linear networks (time varying […]

Why did Italy leave the Triple Alliance? Italy really wasn’t as great of a partner in the Triple Alliance as Germany and Austria-Hungary were. Italy, for a long time, had hated Austria Hungary and were wary about entering into an alliance with them. Italy was a little bit like a “third wheel” in the triple […]

Which wave would travel the fastest in a vacuum? light waves Which type of wave travels faster? P-waves and S-waves are body waves that propagate through the planet. P-waves travel 60% faster than S-waves on average because the interior of the Earth does not react the same way to both of them. P-waves are compression […]

What does the 2 mean in CaCl2? For example, the ionic formula for calcium chloride is CaCl2. Rather, the formula shows that a sample of calcium chloride contains twice as many chlorine atoms as calcium atoms. Remember that ionic compounds are not molecules, so the formula CaCl2 is said to represent one formula unit of […]

What is the direction of acceleration due to gravity class 9? The direction of acceleration due to gravity is always towards earth, irrespective of the direction of motion of a body. What is the meaning of negative velocity? A positive velocity simply means that the object is moving in the positive direction, as defined by […]

Is July a good time to visit New Zealand? The best time to visit New Zealand is during the summer months of December to March. Expect long, bright, sunny days and temperatures between 61°F and 75°F. It’s an ideal time to visit the lovely beaches or enjoy the many outdoor activities available, such as hiking […]

Can you sail directly into the wind? However, a boat cannot sail directly into the wind and so if it comes head to the wind, it loses steerage and is said to be “in irons.” Thus, boats sailing into the wind are actually sailing “close hauled” with their sails tightly trimmed. How much wind does […]

What is the major advantage of being multicellular? Multicellular organisms thus have the competitive advantages of an increase in size without its limitations. They can have longer lifespans as they can continue living when individual cells die. Multicellularity also permits increasing complexity by allowing differentiation of cell types within one organism. What are some advantages […]

What is the mass of a truck if it requires a force of 14000 N to accelerate at a rate of 5m s2? What is the mass of a truck if it produces a force of 14,000 N while accelerating at a rate of 5m/s? GivenNeededEquationWorkAnswer 14,000 N5 m/s2massmass= Fnet/amass= Fnet/a14000 / 5m/s22800 kg6. What […]

Which of the following are types of brake fade? There are 3 types of brake fade. Friction Fade. Friction fade is the most common type and can be called “pad fade.” It is caused by the pad material starting to melt. Fluid Fade. Fluid fade happens when the brake fluid boils inside the system. Green […]