Daisy89711 Daisy89711

21-03-2024
Physics

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A railway engine of mass 60.3 tones is running at a speed of 12ms⁻¹ . what is the additional power must is develop in order to increase its speed to 18 ms⁻¹ in 5 secs?

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Solve the linear system1).5x + 4y = 16 y = -16 2). 3x + 6y = 15 -2x + 3y = -3 3). 7y = -14x + 42 7y = 14 x + 14