Astronauts on the first trip to mars take along a pendulum that has a period on earth of 1.09 s. the period on the other planet turns out to be 3.23 s. what is the free-fall acceleration on that other planet?

A plane flies with an average velocity of - 98.5 m/s for 45.0 s. What was its displacement?

Which branches of natural science include the study of an organism that lived 10 million years ago?

What is evidence and reasoning that the continents are still moving today

Which of the following is not a common reason that people abandon? A: insufficient results B: weight loss C: injury D: burnout

You are given the speed of a wave and it's period. What kind of information can you also find out about this wave?

What is the importance of the ozone layer?

Which of the following is an example of plasma?

What do you need to make 100 minutes charges neutral

The equation e = mc2 relates mass and a. energy b. force c. work d. gravity

What should a scientist do to use scientific methods for determining the relative age of Earth's rocks? A be biased in opinion B disregard views of others C use creative ideas D prove that methods are non-testable