A comet is found in a highly elliptical orbit to have a semi-major axis equal to one astronomical unit (AU). According to Kelper's 3rd law of what would be the sidereal period of this comet?
a. It will be more than one year.
b. It will be one year.
c. It will be less than one year.
d. 76 years; the same for every comet
e. Not enough information is given to determine.
B
You might also like to view...
Conversion of Units: A speed of 60 mi/h is closest to which of the following? (2.54 cm = 1.00 in.)
A. 60 m/s B. 20 m/s C. 30 km/h D. 120 m/s E. 30 m/s
Phil leans over the edge of a cliff and throws a rock upward at 5 m/s. How far below the level from which it was thrown is the rock 2 seconds later?
A) 5 m B) 10 m C) 15 m D) 20 m
A car travels around an oval racetrack at constant speed. The car is accelerating
a.
at all points except B and D.
b.
at all points except A and C.
c.
at all points except A, B, C, and D.
d.
everywhere, including points A, B, C, and D.
e.
nowhere, because it is traveling at constant speed.
A body is oscillating up and down at the end of a spring. Let's consider when the body is at the top of its up and down motion. A heavy truck hits a small car. At any given time during the impact,
a. the force the truck exerts on the car is larger than the force the car exerts on the truck b. the force the truck exerts on the car is smaller than the force the car exerts on the truck c. the force the truck exerts on the car is equal to the force the car exerts on the truck d. the only force present is the force of the truck on the car