Category: Physics

Can a plane fly through a storm? All planes are designed to fly through storms and have to comply with safety regulations. A rainstorm is unlikely to cause damage to the aircraft. The only danger of flying through a rainstorm is the risk of freezing rain, but in this case, your plane will most likely […]

Are pencils magnetic? Pencils are commonly made from non-magnetic materials; the shaft is usually made of wood or wood-like substitutes, with non-metallic paint, the core (commonly called the lead) is – despite the name – made from powdered graphite with a clay binder; no metal whatsoever, the eraser is made of rubber or plastic (if […]

What does 1 Coulomb look like? One coulomb is equal to the amount of charge from a current of one ampere flowing for one second. One coulomb is equal to the charge on 6.241 x 1018 protons. The charge on 1 proton is 1.6 x 10-19 C. Conversely, the charge of an electron is -1.6 […]

Is it cold in NC in March? In Charlotte, North Carolina, the average high-temperature slightly increases, from a cool 53.6°F (12°C) in February, to a mild 60.4°F (15.8°C). The average low-temperature, in March, is 42.6°F (5.9°C). Does it snow in March in North Carolina? March madness: March 12 snows are common in North Carolina From […]

Why do long jumpers land sand? Athlete is made to land on the sand after long jump so as to increase the time of impact. This reduces the momentum and force by which he is landing on the ground. Thus, athlete is saved from getting injured. Why does an athlete put some sand? Why does […]

How does double rainbow occur? Double rainbows are formed when sunlight is reflected twice within a raindrop with the violet light that reaches the observers eye coming from the higher raindrops and the red light from lower raindrops. What does it mean to see a double rainbow? A double rainbow is considered a symbol of […]

Do termites eat Hardie board? As we’ve mentioned, Hardie Board, vinyl, and metal siding are impervious to pests. Termites and carpenter ants eat wood, but the wood pulp used in Hardie board is infused with cement, so the pests have no interest or access to it. Does Hardie board increase value of home? James Hardie […]

Does the vacuum of space have mass? Space, ie Vacuum, does not have massive particle. Is Warp 1 the speed of light? Warp 1, or light speed, makes the Enterprise look like it’s at a standstill over the sun. At this light-speed rate, the ship would take 5 hours and 28 minutes just to reach […]

How many Lux is a 100 watt bulb? 1600 lumens How many Lux is a 60 watt bulb? How Much Light Do I Need? Old Incandescent Bulbs (Watts) ENERGY STAR Bulb Brightness (Minimum Lumens) 40 450 60 800 75 1,100 100 1,600 What is Lux in LED light? Lux: The amount of light that is […]

What does it mean to say that gravity and the normal force counterbalance each other? it will accelerate in the same direction as the force. ordinarily, gravity and the normal force counterbalance each other. in other words: they cancel each other out. Is Net force the same as inertia? Note that the net force is […]