What are the two main categories of ecosystems?

Which of the following is located at the center of the Earth? A. crust B. atmosphere C. mantle D. core

A block with mass m = 7.4 kg is hung from a vertical spring. when the mass hangs in equilibrium, the spring stretches x = 0.22 m. while at this equilibrium position, the mass is then given an initial push downward at v = 3.8 m/s.

Which of these statements is false? Question 1 options: 1.) You should always feel pain when stretching. 2.) You should stretch all muscles groups each day. 3.) You should stretch before all physical activity. 4.

The area beneath an acceleration vs time graph is equal to - 10. If the initial velocity of the object is 25 m/s. What is its final velocity?

On the moon, the acceleration of gravity is 1.6 m/s2. If an object has a mass on Earth of 5.1 kg, what is its mass on the moon?

James took two pea plants, placing one in a dark closet and the other on a sunny windowsill. Both are located in air-conditioned rooms. He then measured the growth of the pea plants after a week.

An object rolls east at a steady speed of 12m/s for 3.0 seconds. what distance did it travel

What is another name for Kepler's first law? A. law of periods B. law of ellipses C. law of universal gravitation D. law of equal areas in equal times

An airplane has a momentum of 22,125 kg*m/s. if the airplane moves at a speed of 25 m/s. what is its mass?

There are more electrons than protons in a negatively charged atom. 1. True 2. False