You can hear the sound of an approaching train long before you see it by placing your ear on metal track

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Aball tossed vertically upward from the ground next to a building passes the bottom of a window 1.8 s after being tossed and passes the top of the window 0.20 s later. the window is 2.0 m high from top to bottom. what was the ball's initial velocity? the unit vector j^ is directed upward. how far is the bottom of the window from the launch position? how high does the ball rise above the launch position?

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical