Which term best describes a test used to answer a question?

a. experiment

b. phenomenon

c. hypothesis

d. observation

What is a likely consequence of preventing prescribed burns to forest ecosystems? a. natural wildfires will burn longer and hotter when they occur because there is more underbrush and fuel available. b.

A book with a mass of 1.2 kg sits on a bookshelf. If it has a gravitational potential energy of 50 J, how high is the shelf? The acceleration of gravity is 9.8 m/s2 A. 1.2 m B. 4.3 m C. 5.9 D. 2.7 m

Do you know which component of the Star Wars movies is possible according to our current understanding of physics?

An alpha particle (which has two protons) is sent directly toward a target nucleus with 90 protons. the alpha particle has a kinetic energy of 0.45 pj when far away.

What are the factors on which pressure of liquids depends?

Do you mind if I use this example for my assignment?

A squirrel runs along an overhead telephone wire that stretches from the top of one pole to the next. It is initially at position xi=3.37 mxi=3.37 m, as measured from the center of the wire segment. It then undergoes a displacement of Δx=-6.

Imagine a 10 kg block moving with a velocity of 20 m/s to the left. calculate the kinetic energy of this block

Which do you think is the bigger problem among college students-the continued abuse of illegal drugs or the rising abuse of prescription and over-the-counter medications?

A man stands still on a moving walkway that is going at a speed of 0.4 m/s to the east. What is the velocity of the man according to a stationary observer?