A pair of toy cart wheels are rolled obliquely from a smooth surface onto two plots of grass—a rectangular plot and a triangular plot—as shown. The ground is on a slight incline, so that after slowing down in the grass, the wheels will speed up again when emerging onto the smooth surface. Complete the sketches, and show some positions of the wheels inside each plot and on the other side of each plot, thereby indicating the direction of travel.
A pair of toy cart wheels are rolled obliquely from a smooth surface onto two plots of grass—a rectangular plot and a triangular plot—as shown. The ground is on a slight incline, so that after slowing down in the grass, the wheels will speed up again when emerging onto the smooth surface. Complete the sketches, and show some positions of the wheels inside each plot and on the other side of each plot, thereby indicating the direction of travel.
A pair of toy cart wheels are rolled obliquely from a smooth surface onto two plots of grass—a rectangular plot and a triangular plot—as shown. The ground is on a slight incline, so that after slowing down in the grass, the wheels will speed up again when emerging onto the smooth surface. Complete the sketches, and show some positions of the wheels inside each plot and on the other side of each plot, thereby indicating the direction of travel.
A pair of toy cart wheels is rolled obliquely from a smooth surface onto two plots of grass, a rectangular plot and a triangular plot, as shown. The ground is on a slight incline so that, after slowing down in the grass, the wheels will speed up again when emerging on the smooth surface. Finish each sketch by showing some positions of the wheels inside the plots and on the other sides, thereby indicating the direction of travel.
Why is it difficult to see the roadway in front of you when driving on a rainy night?
A spotlight is mounted on a pole at the end of a fishing pier as shown below. If the light is mounted a distance of y = 3.50 m above the water, and the light strikes the water at a point that is x = 8.30 m horizontally from the end of the pier, determine the distance from the end of the pier to the point where the light strikes the bottom of the lake if the water is 3.00 m deep.
=___m
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
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