Acar is parked on a cliff overlooking the ocean on an incline that makes an angle of 24.0 º below the horizontal. the negligent driver leaves the car in neutral, and the emergency brakes are defective. (this car is a stick-) the car rolls from rest down the incline with a constant acceleration of 4.00 m/s2 and travel 50.0 m to the edge of the cliff. the cliff is 30.0 m above the ocean

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?

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.

How many atoms of nitrogen are in the chemical formula ni(w on