A stone is thrown downwards from the edge of a cliff with a speed of 5. 0 m s–1. It hits the ground 2. 0 s later. What is the height of the cliff?.

Acar averages 22 miles per gallon. if gas costs $2.89 per gallon, which of the following is closest to how much the gas would cost for this car to travel 1,650 typical miles?

Which food would provide you with the most calcium?

Need will give 100 ! in no less than one hundred fifty words, explain why it is important for engineers to sketch designs and use them to clarify their designs to other people, giving at least three reasons.