The table shows information about the moons of Mars.

Moon Orbital Period (days) Average Distance from Mars (km)

Phobos 0.319 9378

Deimos? 23,459

What is the orbital period of Deimos?

A. 0.0806 days

B. 0.798 days

C. 1.26 days

D. 1.59 days

What is the force that opposes motion and works against the downward pull? A) friction B) gravity C) weight D) acceleration

Is the sun a transparent object

A 200-kg boulder has 39,200 joules of gravitational potential energy. What height is it at?

Which is colder, 0 degree C or 20 degrees F?

g An astronaut stands on the surface of the Moon and drops a dictionary (with a mass of 8 kg) and a cell phone (with a mass of 200 g) at the same time from the same height. Which will hit the ground first? Ignore the effects of atmospheric friction.

What is the closest planet to earth that scientist think can support life?

Which force is most directly responsible for radioactive beta decay? electromagnetic force strong interaction gravitational interactions weak interaction

Momentum is a measure of the of an object. Which term accurately completes the sentence?

2. When a potential difference of 12 V is applied to a wire 6.9 m long and 0.33 mm in diameter the result is an electric current of 2.1 A. What is the resistivity of the wire?

A certain part of a computer chip has a length of 1.5 micrometers. How many meters is this?