A car moved 60 meters west in 2 hours. What is its average velocity?
1 answer:
Explanation: Velocity is the displacement of an object during a specific unit of time. Two measurements are needed to determine velocity. Displacement and time. Displacement includes a direction, so velocity also includes a direction. Speed with direction. Velocity can be an average velocity or an instantaneous velocity. Units for velocity are the same as for speed: m/s, km/h, and mph. Delta x(Δx) is the symbol used for displacement. Delta (Δ) means to "change in." Δx means to "change in position." Δx is calculated by final position minus initial position. Velocity formula: → v=Δx/t as a fraction.
v=Δx/t
<em><u>Final answer is 30.</u></em>
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mass of first player = 82 kg
speed of first player = 4.1 m/s (towards North)
mass of second player = 76 kg
speed of second player = 3.4 m/s (towards East)
now the two players will collide and stick together so here since there is no external force on the system of two players so we will say momentum of system of players will remain conserved
So here we will have
now after collision they both move together with same speed so we will have
so the magnitude of the velocity after they collide is given as
direction of motion is given as
so they both will move 52.4 degree North of East after collision