THE RESULTANT OF TWO FORCES IS 50N. IF THE FORCES ARE PERPENDICULAR TO EACH OTHER AND ONE OF THEM MAKES AN ANGLE OF 30° WITH THE RESULTANT, FIND ITS MAGNITUDE
A. 100.0N B. 57.7N C. 43.3N ✓ D. 25.0N The answer to the question is: C. 43.3N To solve this problem, we can use vector addition and trigonometric functions. Let’s denote the magnitude of the first force as F1 and the magnitude…
A QUANTITY OF WATER AT 0 °C IS HEATED TO 30 °C. FOR EACH DEGREE RISE IN TEMPERATURE, ITS DENSITY WILL
A. rise steadily B. fall steadily ✓ C. fall and then rises D. rise and then falls The answer to the question is: B. fall steadily When a quantity of water at 0 °C is heated to 30 °C, its density will decrease. This…
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