NLN PAX Science: Physics 129 Questions with 100% Correct Answers | Verified | Latest Update
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
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