Imagine another solar system, with a star of the same mass as the Sun. Suppose a planet with a mass twice that of Earth (2MEarth) orbits at a distance of 1 AU from the star. What is the orbital period of this planet?
A) 2 years
B) 1 year
C) 6 months
D) It cannot be determined from the information given.
B
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If a tree is 15 m tall, its height expressed in feet is x ft, where x is
A) less than 15. B) greater than 15.
Two identical tiny balls of highly compressed matter are 1.50 m apart. When released in an orbiting space station, they accelerate toward each other at 2.00 cm/s2. What is the mass of each of them? (G = 6.67 × 10-11 N ? m2/kg2)
What will be an ideal response?
The power of an engine is a measure of
A. the total amount of work it can perform. B. its volume. C. its ability to outperform a horse. D. the rate at which it can perform work.
Web designers use the CSS
Answer the following statement true (T) or false (F)