Category: Physics

At what distance can a normal eye focus sharply on an object? 25 cm What is the near point of a normal eye? A normal eye is considered to have a near point at about 11 cm (4.3 in) for a thirty year old. The near point is highly age dependent (see accommodation). A person […]

What happens if you break the sound barrier? As the aircraft continues to speed up, the vapor cloud will appear farther toward the rear of the aircraft. Then, just as the aircraft bursts through the sound barrier, the air is locally disturbed by the resulting shock wave and the condensation/vapor cloud disappears. Does the flash […]

What are the four main types of particulates? Types of atmospheric particles include suspended particulate matter; thoracic and respirable particles; inhalable coarse particles, designated PM10, which are coarse particles with a diameter of 10 micrometers (μm) or less; fine particles, designated PM2.5, with a diameter of 2.5 μm or less; ultrafine particles; and … What […]

What is the answer on the impossible quiz 68? Question 68 of The Impossible Quiz contains the series’ mascot, Chris the cat, sitting on a chair, and beside him a vertical bar. There is no message of any kind on screen. To get past this question, you need to stroke Chris using the cursor so […]

What would 10 kg be on the moon? 16.33 N What is the weight of 70 kg body? So, the weight of a 70 kg body on the given planet will be 40kg. Option B. How much is 75 kg in weight? Convert 75 Kilograms to Pounds kg lb 75.00 165.35 75.01 165.37 75.02 165.39 […]

Can anyone or someone help? Anyone is a pronoun that means “any person.” So if you would like help from a person and you don’t care who that person is, then you would like help from anyone. In this sense, that anyone is not important, because anyone will do. Anybody is a pronoun that is […]

Do rocks contain silica? Silicon is never found in its natural state, but rather in combination with oxygen as the silicate ion SiO44- in silica-rich rocks such as obsidian, granite, diorite, and sandstone. Feldspar and quartz are the most significant silicate minerals. What type of rocks is rich in minerals? About 200 minerals make up […]

Does angle affect work? If you apply force at an angle instead of parallel to the direction of motion, you have to supply more force to perform the same amount of work. If you pull at an angle, the component of the force you apply that’s directed along the floor — in the direction of […]

What is the difference between a blind rivet and a pop rivet? Blind rivets, also commonly referred to as POP Rivets, are mainly used in applications where there is no access to the rear (blind side) of the joint. Rivets have a two-piece construction; one is called the rivet body, shell, or hat and another […]

What are the two most important elements of communication competence? Communication competence refers to the knowledge of effective and appropriate communication patterns and the ability to use and adapt that knowledge in various contexts. In order to develop communication competence, you must become a more mindful communicator and a higher self-monitor. What are the two […]