Using the graph, describe what is happening between 4 and 6 seconds. the object is moving away from the origin at a constant velocity. the object is not moving. the object is moving toward the origin at a constant velocity. the object is changing velocity.

Modify the equation fδt=δ (mv) to find the force of friction.

One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. you see that the patch of light seems to be a circular diffraction pattern. it appears that the central maximum is about 1 cm across and you estimate that the distance from the window shade to the wall is about 3 m. what is (a) the average wavelength of sunlight? (b) the diameter of the pinhole?

How many times did thomas edison mess up the light bulb