Answers about Physics > 자유게시판

Acceleration can be calculated using the formula ( a = \frac\Delta v\Delta t ), where ( \Delta v ) is the change in speed (final speed minus initial speed)
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Physics









How are screen protectors made and what materials are used in the manufacturing process?


Asked by Christelle Borer



Screen protectors are typically made from materials such as tempered glass or polyurethane. The manufacturing process involves cutting the material to the desir
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Physics



+1









What quantity is represented by the slope of a velocity time graph?


Asked by Anonymous



The slope of a velocity-time graph represents acceleration. It quantifies the rate of change of velocity over time, indicating how quickly an object's speed is
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Physics



+1









What is above the line acceleration time graph?


Asked by Anonymous



An above the line acceleration time graph indicates that the object is experiencing positive acceleration, meaning its speed is increasing over time. The area a
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Physics



+1









A gas exerts a force of 5610 N over an area of 0.342m2. what pressure does the gas exert in Pa?


Asked by Anonymous



To calculate the pressure exerted by the gas, use the formula ( P = \fracFA ), where ( P ) is pressure, ( F ) is force, and ( A ) is area. Plugging in the v
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Math and Arithmetic



+2









What is the average speed of a long jumper?


Asked by Anonymous



The average speed of a long jumper during their approach run is typically between 8 to 10 meters per second (approximately 18 to 22 miles per hour). This speed
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Physics









What does a blue shift in the spectrum indicate?


Asked by Anonymous



A blue shift in the spectrum indicates that an object is moving toward the observer, resulting in a decrease in the wavelength of the emitted light. This phenom
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Physics



+1









Do astronauts need high energy?


Asked by Anonymous



Yes, astronauts require high energy to perform their demanding tasks in space, which include conducting experiments, maintaining equipment, and staying physical
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Physics









Will your Carolina skiff sink?


Asked by Anonymous



A Carolina Skiff is designed to be stable and unsinkable due to its construction and buoyancy features. However, like any boat, it can sink if it takes on too m
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Physics



+1









What does the slope of a position time graph measure?


Asked by Anonymous



The slope of a position-time graph measures the velocity of an object. A steeper slope indicates a higher speed, while a flatter slope represents slower movemen
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Physics









What is the water resistance for ravel watc wr30m?


Asked by Anonymous



The Ravel watch with a water resistance rating of WR30M (30 meters) is suitable for everyday use, such as light splashes of water or rain. However, it is not de
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Physics



+1









How would you describe the relationship between the mass of a car and it's kinetic energy?


Asked by Anonymous



The kinetic energy of a car is directly proportional to its mass, meaning that as the mass increases, the kinetic energy also increases, assuming the speed rema
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Physics



+2









What is linear torque?


Asked by Anonymous



Linear torque typically refers to the torque generated in a linear motion system, where a force is applied to produce rotational motion around an axis. It is of
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Physics



+1









When drawing a vector you should represent the magnitude of the magnitude of the vector by the length of the arrow.?


Asked by Anonymous



When drawing a vector, the magnitude is represented by the length of the arrow; a longer arrow indicates a greater magnitude, while a shorter arrow indicates a
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Physics









What is one potential negative consequence associated with free trade?


Asked by Anonymous



One potential negative consequence of free trade is job displacement in certain industries. When countries open their markets to international competition, dome
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Physics



+1









Is average speed the slope of a velocity vs. time graph?


Asked by Anonymous



No, average speed is not the slope of a velocity vs. time graph; rather, it is represented by the total distance traveled divided by the total time taken. The s
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Physics









What object is a chunk of rock and metal and was once part of another object that orbited the sun?


Asked by Anonymous



The object you are describing is likely a meteorite. Meteorites are chunks of rock and metal that originate from asteroids or comets, which once orbited the sun
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Physics



+1









What would be the angle of reflection for an angle of incidence of 35?


Asked by Anonymous



According to the law of reflection, the angle of reflection is equal to the angle of incidence. Therefore, if the angle of incidence is 35 degrees, the angle of
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Physics



+1









Three equations that can be used to find acceleration?


Asked by Anonymous



Acceleration can be calculated using the following three equations: ( a = \frac\Delta v\Delta t ) - This equation relates acceleration ((a)) to the change
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Physics









What is the name for a device for receiving electric plugs?


Asked by Anonymous



The device for receiving electric plugs is called a socket or electrical outlet. It provides a connection point for electrical devices to access the electrical
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Science



+2









When a force moves something parallel to the direction of that force it is called what. Is it conduction or work?


Asked by Anonymous



When a force moves something parallel to the direction of that force, it is called work. Work is defined as the product of the force applied and the distance mo
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Physics



+1









Can three vectors combine to give the resultant zero?


Asked by Anonymous



Yes, three vectors can combine to give a resultant of zero if they are arranged such that they form a closed triangle. This means that the vectors must be equal
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Physics



+1









What is the velocity of a car that is drives 10 meters in 5 seconds?


Asked by Anonymous



The velocity of the car can be calculated using the formula: velocity = distance/time. In this case, the car travels 10 meters in 5 seconds, so the velocity is
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Physics



+2









How does e coli get energy?


Asked by Anonymous



E. coli bacteria obtain Energy (en.wikipedia.org) primarily through a process called cellular respiration, where they metabolize nutrients such as glucose. In aerobic conditions,
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Math and Arithmetic



+1









What is gradient in distance-time graph?


Asked by Anonymous



The gradient in a distance-time graph represents the speed or velocity of an object. It is calculated as the change in distance divided by the change in time, i
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