How are sedimentary rock layers used by scientist to learn about the past

Suppose an object in freefall is dropped from a building it's starting velocity is 0m/s. Ignoring the facts of air resistance what is the speed (in m/s) of the object after falling three seconds?

Matter without a definite volume or shape is called a

During a storm, the power went out at Bailey's house. She had no electricity. What could she use as an alternate form of electrical energy?

Two friends whisper at a volume of 20 decibels. Later, they converse at a volume of 40 decibels. How much greater is the energy intensity of the conversation compared to the whisper? A. 20 times B. 10 times C. 1,000 times D. 100 times

According to your observations, how long does it take for the moon to return to the same position compared to the stars?

Which of these is an element? O carbon O air O carbon dioxide water

What could result if the liver was not working properly?

A machine gun fires 10 rounds per second. The speed of the bullets is 300 m/s. What is the distance between the flying bullets?

A runner with a mass of 75kg runs 6m/s calculate the kinetic energy stored in the runner

Watt which is a unit of power is equal to