What is the difference between regular reflection and diffused reflection of light?
Which of the following will cause regular reflection and which will cause diffused
reflection:- Polished wooden table, chalk powder, cardboard, mirror, paper,
marble floor

An engineer designs a roller coaster so that a car travels horizontally for 162 ft, then climbs 127 ft at an angle of 31.0° above the horizontal. it then moves 127 ft at an angle of 46.0° below the horizontal. if we take the initial horizontal motion of the car to be along the +x-axis, what is the car's displacement? (give the magnitude of your answer, in ft, to at least four significant figures and give the direction of your answer in degrees counterclockwise from the +x-axis.)

Which is not true about oxygen-17 and oxygen-18?

The earth is constantly spinning on its axis, like you might spin a basketball on your finger. it is this spinning of the earth that causes