Category: Physics

How do you find the velocity of an object? Velocity (v) is a vector quantity that measures displacement (or change in position, Δs) over the change in time (Δt), represented by the equation v = Δs/Δt. Speed (or rate, r) is a scalar quantity that measures the distance traveled (d) over the change in time […]

What is another name for energy in motion? Motion energy – also known as mechanical energy – is the energy stored in moving objects. As the object moves faster, more energy is stored. Motion energy is the sum of potential and kinetic energy in an object that is used to do work. How energy is […]

Does a capacitor drain a battery? In steady state (after a long time) an ideal capacitor does not draw significant current from a battery. A real capacitor will draw some small leakage current. The amount of leakage current will depend on the type of the capacitor, electrolytics will have higher leakage than films and ceramics. […]

How much is 10 miles per hour in kilometers? Miles per hour to Kilometers per hour table Miles per hour Kilometers per hour 9 mph 14.48 kph 10 mph 16.09 kph 11 mph 17.70 kph 12 mph 19.31 kph How many hours a day is safe to drive? You should not drive for more than […]

What is a force pump used for? n. A pump with a solid piston and valves used to raise a liquid or expel it under pressure. Does force pump use atmospheric pressure? There’s a practical limitation as to how far you can lift a column of water: the vacuum you cause in the barrel by […]

What are solar collector explain with suitable diagram? A diagram of a line focus solar collector. These collectors, sometimes known as parabolic troughs, use highly reflective materials to collect and concentrate the heat energy from solar radiation. These collectors are composed of parabolically shaped reflective sections connected into a long trough. What are the materials […]

What is an example of a conversion factor? A conversion factor is a number used to change one set of units to another, by multiplying or dividing. For example, to convert inches to feet, the appropriate conversion value is 12 inches equal 1 foot. To convert minutes to hours, the appropriate conversion value is 60 […]

Is a little anxiety good? A little anxiety can be a good thing — motivating you to act quickly in the face of danger, for example, or inspiring caution with your finances. But when you can’t control your worries, they can harm your health, particularly if you’re 50 or older. What is bad for anxiety? […]

What is charted depth? [′char·təd ′depth] (oceanography) The vertical distance from the tidal datum to the bottom. How is the depth of water measured? Depth finder, also called echo sounder, device used on ships to determine the depth of water by measuring the time it takes a sound (sonic pulse) produced just below the water […]

How long does it take to recover from brachytherapy? Recovery is quick, so most men can return to their normal activities one or two days after treatment. It delivers radiation directly into the prostate, so there may be less damage to surrounding healthy tissue, and a lower risk of some side effects. You will only […]