NLN PAX Science: Physics(Answered) Complete Solution
NLN PAX Science: Physics(Answered) Complete Solution aim of physics to understand the physical laws and principles that influence every aspect of daily life displacement of an object the distance that an object is from some starting point, and is measured in units of length How does displacement change when an object is in motion? it is constantly changing How is motion described? by displacement, velocity (speed) and acceleration speed distance traveled by an object per unit of time speed = (distance traveled/time) velocity speed in a given direction What two things does velocity tell us about a moving object? its speed and direction acceleration the rate of change in velocity; can be any change in velocity, either positive or negative. deceleration negative acceleration or a decrease in velocity and can change in direction How is acceleration calculated? (final velocity-original velocity)/time Why can velocity and acceleration be described using vectors? because they have both magnitude and direction What quality do all moving objects have? momentum; an object traveling at a specific velocity has momentum calculate momentum Momentum = mass x velocity conservation of moment
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- 3 februari 2023
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