Category: Physics

What is the direction of the electric field caused by the charge at point P? The magnitude of the electric field E produced by a charged particle at a point P is the electric force per unit positive charge it exerts on another charged particle located at that point. The direction of the electric field […]

What common properties do Solutions have? Characteristics A solution is a homogeneous mixture of two or more substances. The particles of solute in a solution cannot be seen by the naked eye. A solution does not allow beams of light to scatter. A solution is stable. The solute from a solution cannot be separated by […]

What are hair cells covered by? human equilibrium Each has an organ containing hair cells similar to those of the organ of Corti. The utricle and saccule each contain a macula, an organ consisting of a patch of hair cells covered by a gelatinous membrane containing particles of calcium carbonate, called otoliths. Does hair grow […]

Is active or passive transport faster? Active transport is a rapid process. Passive transport is a comparatively slow process. What are the 4 methods of passive transport? The rate of passive transport depends on the permeability of the cell membrane, which, in turn, depends on the organization and characteristics of the membrane lipids and proteins. […]

What describes something in nature without attempting to explain it? Unlike a theory, a scientific law describes an observed pattern in nature without attempting to explain it. A hypothesis is a possible explanation for a set of observations or answer to a scientific question. What do we call a description of how something works in […]

What are the two essential conditions for work done by a force acting on an object? For work to be done, it is essential that some force is applied to the object and the object displaces from its initial position. If these two conditions are satisfied, then the work is done. So, work done= force […]

Who first discovered fission? Lise Meitner Who found nuclear? Enrico Fermi What is the first nuclear power plant in the world? Obninsk Nuclear Power Plant How safe is nuclear? The evidence over six decades shows that nuclear power is a safe means of generating electricity. The risk of accidents in nuclear power plants is low […]

What causes sudden blind spots in vision? Any damage to your retina, such as a detached retina or artery occlusion, is a possible cause of sudden blindness. A detached retina can cause total loss of vision in the affected eye, or it may only result in partial vision loss, making it seem as if a […]

When should I worry about cold feet? You should also call your doctor right away if your feet feel cold but your skin doesn’t feel cold to the touch. This could be a symptom of a neurological condition. Why is my girlfriend so cold all the time? In some people, most often women, the process […]

What are the 3 levers involved in deep squat? The levers that exist in this analysis are the back, the femur, and the shank or lower leg. The levers, as they hinge around the hip and knee joints, form the diagnostic angles used to analyze and discuss the movement. What are examples of second class […]