Suppose that the Sun started shrinking in size, without losing any mass. What would be the effect of the Sun's change on the orbits of the planets?
A. The planets would escape.
B. The orbits would not be affected.
C. The orbits would become larger.
D. The orbits would become smaller in size.
Answer: B
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Earthquake waves are classified as P waves and S waves. Which of the following statements is true about these waves?
A. The P wave is transverse as is the S wave. B. The P wave is longitudinal as is the S wave. C. The P wave is transverse and the S wave is longitudinal. D. The P wave is longitudinal and the S wave is transverse. E. Both the P and S waves are mixtures of longitudinal and transverse waves.
A car's motor gives out just at the bottom of a big hill, but the car starts coasting up the hill. In what direction is the acceleration of the car just as it stops momentarily before rolling back down the hill?
What will be an ideal response?
The acceleration of gravity can vary locally on the Earth's surface because of the presence of rocks of different densities
Indicate whether the statement is true or false
What is the electron configuration for Li, which has 3 electrons?
A) 1s3 B) 1s1 2s2 C) 1s2 1p1 D) 1s2 2s1 E) 1s1 2s1 3s1