How long does it take the moon to go from full-moon phase to new-moon phase

A 28 g ball of clay traveling east at 3.5 m/s collides with a 35 g ball of clay traveling north at 2.8 m/s. What is the movement direction of the resulting 63 g blob of clay? What is the speed of the resulting 63 g blob of clay?

What would you be most likely to find if you returned to the solar system in 10 billion years?

Since lower case m stands for both the prefix. milli and for unit for length meter, how do we tell which one is meant when they are used? A: a prefix is never used alone.

Compare the atmospheres of Mars and Venus. Mars is rich in oxygen, like ours, accounting for its red surface. Like Earth, nitrogen is the chief atmospheric gas. Both are too hot for water to now exist as a liquid at the surface.

How does and objects density determine whether the object will sink or float

1. The sun and other stars produce visible light by a. fluorescence. b. luminescence. c. incandescence. d. electroluminescence.

What are gravitons?

Which of the following would be considered basic science questions? A. How can cars be made safer? B. What is the best way to improve a gas engine? C. Why do many birds have colorful feathers? D. What are the stages in the life cycle of a star?

Which description does the phrase "mechanical advantage" most closely relate to?

The breaker of a certain circuit installed in a house shuts down at 10 amps. Can we connect a water heat of 2 kW to a power outlet of 240 V in this circuit?