Physics, 14.06.2021 16:40 22emilyl530
Đặt lần lượt các điện tích q1 = 1nC ; q2 = -1nC ; q3 =1nC ; q4 = 1nC vào các đỉnh A, B, C, D của hình chữ nhật, kích thước 20 cm 40 cm trong không khí. Tính điện thế tại O là giao điểm của hai đường chéo hình chữ nhật, chọn gốc điện thế tại vô cùng
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When conducting an investigation to determine which type of fertilizer produces the most flowers on a plant, which variable would be graphed on the x-axis once you collected the data? a. type of fertilizer b. amount of flowers c. amount of water d. number of days that the plants grew
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Two manned satellites approaching one another at a relative speed of 0.550 m/s intend to dock. the first has a mass of 2.50 ✕ 103 kg, and the second a mass of 7.50 ✕ 103 kg. assume that the positive direction is directed from the second satellite towards the first satellite. (a) calculate the final velocity after docking, in the frame of reference in which the first satellite was originally at rest.(b) what is the loss of kinetic energy in this inelastic collision? (c) repeat both parts, in the frame of reference in which the second satellite was originally at rest. final velocity(d) loss of kinetic energy = ?
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Đặt lần lượt các điện tích q1 = 1nC ; q2 = -1nC ; q3 =1nC ; q4 = 1nC vào các đỉnh A, B, C, D của hìn...
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