the last 3 digits of your phone number:____378____. This isW.

Add 1580 toW: ____1958_____. This isX.

DivideXby 100 without rounding your answer:____19.58_______. This isY.

Add 85 toYand round to the nearest whole number: 105__________. This isZ.

1. For each of (a), (b), and (c) below, use single grammatically correct sentence containing the words indicated that makes scientific sense. You may use conjunctions; a list of definitions,

(a) , orbit, gravity, separation, period.

(b) , Kepler, angular, area, third.

2. give an explanation, based on a scientific theory, of why objects fall if they are held up above the ground and then let go. Explain why it is scientific. Then write down a non-scientific explanation of the same phenomenon, and explain why it is non-scientific. Then write down a pseudoscientific explanation of the same phenomenon, and explain why it is pseudoscientific.

3. Write a question that requires a mathematical calculation about the rotational displacement of an object with an angular acceleration ofYradians per second squared and initial angular velocity ofXradians per second after 0.025 second.

4. computes a question the parallel and normal forces exerted on an object ofZkilograms sliding down a 60-degree inclined plane with a coefficient of friction of 0.8. Draw a sketch of the system in the question, labeling the key quantities.