The first observations of objects in the solar system that orbited neither the sun nor Earth were made by ____________________
Fill in the blank(s) with correct word
Galileo
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The Sun is located at the center of Earth's elliptical orbit.
Answer the following statement true (T) or false (F)
A car is traveling along a highway at 65 mph. What is the linear speed of the bottom of the tires?
What will be an ideal response?
A mass is attached to a vertical spring and bobs up and down between points A and B. Where is the mass located when its potential energy is a minimum?
A) at either A or B B) midway between A and B C) one-third of the way between A and B D) one-fourth of the way between A and B E) none of the above
How much heat (in kcal) must be removed to make ice at -10°C from 2 kg of water at 20°C? (The specific heat of ice is 0.50 cal/g×°C.)
a. 190 b. 200 c. 240 d. 210 e. 50