Car A drives East at 20 kph at half an hour earlier than car B that started at the same point at 50 kph. How long will car B overtake car A, in minutes? A. 25 C. 20 B. 30 D. 15 Solution Click here to… Jhun Vert Sat, 07/13/2024 - 14:29 Solution Click here to expand or collapse this section At the time when car B overtakes car A $d_B = d_A$ $50t_B = 20t_A$ $50t_B = 20(t_B + 0.5)$ $30t_B = 10$ $t_B = \frac{1}{3} ~ \text{hr} = 20 ~ \text{min}$ Log in or register to post comments Log in or register to post comments
Solution Click here to… Jhun Vert Sat, 07/13/2024 - 14:29 Solution Click here to expand or collapse this section At the time when car B overtakes car A $d_B = d_A$ $50t_B = 20t_A$ $50t_B = 20(t_B + 0.5)$ $30t_B = 10$ $t_B = \frac{1}{3} ~ \text{hr} = 20 ~ \text{min}$ Log in or register to post comments
Solution Click here to…