Category: Physics

What are the 5 uses of friction? 10 examples of friction in our daily life Driving of a a vehicle on a surface. Applying brakes to stop a moving vehicle. Skating. Walking on the road. Writing on notebook/ blackboard. Flying of aeroplanes. Drilling a nail into wall. Sliding on a garden slide. What is the […]

How do you convert H+ to pH? pH is the negative base 10 logarithm (“log” on a calculator) of the hydrogen ion concentration of a solution. To calculate it, take the log of a given hydrogen ion concentration and reverse the sign. How do you calculate the pH of a weak acid? The procedure for […]

What can you measure with a bathroom scale? They are used to measure a person’s weight, and can measure weight from 0 to 150 kg. Bathroom scales usually show units in kilograms and grams – e.g. 63,6 kg. Clinics and doctors’ practices often use larger analog scales to measure a person’s weight. These can also […]

What are the 12 properties of wood? The main physical properties of wood include: color, luster, texture, macro-structure, odor, moisture, shrinkage, internal stresses, swelling, cracking, warping, density, sound – electro – thermal conductivity. What are the 3 main types of wood? There are two main types of wood – hardwoods and softwoods. Hard woods come […]

Does Kief get you higher than Bud? Kief is the pinnacle of the marijuana experience. That is Kief. The concentration of cannabinoids and terpenes in Kief can be about 50% higher than the bud, so if you have bud grading 20% THC, then the Kief may be up to 30%. What should trichomes look like […]

What are the 7 pitch names? alphabet – namely A, B, C, D, E, F and G. The pitch named “A” is the lowest frequency, and the pitch named “G” is the highest. The white keys on a piano keyboard are assigned these letters, as shown below. What are melodic elements? Kliewer states, “The essential […]

Is your image exactly the same in size as you are where is it apparently found? Is your image exactly the same in size as you are? The image formed by a plane mirror is always erect, virtual, laterally reversed, same size as the object and found to be apparently behind the mirror. Is your […]

How long does it take to charge a car battery with a 12 volt charger? about 12 hours Do trickle chargers extend battery life? Battery 101: The Slow Trickle Charge. While regular chargers are of course effective, they can actually shorten the life of your battery over time if not used properly. Trickle chargers won’t […]

Does an electromagnetic wave have a charge? Electromagnetic waves are generated from charges and currents, but the former aren’t associated with the latter. There is no electric charge “in” electromagnetic waves. Exactly zero. Electromagnetic waves may be generated by moving charges, but they carry no charge themselves. How do accelerating charges radiate? Case 2: Charged […]

What is a symbol for time? Symbols for physical quantities and their international units symbol quantity unit V volume cubic meter t time, duration second T period, periodic time second τ time constant second What’s faster than a nanosecond? A picosecond, femtosecond, attosecond, zeptosecond and yoctosecond are all smaller than a nanosecond, each smaller than […]