True or false. in science, a hypothesis must be true?

A proton is accelerated through a potential difference of 250V. It then enters a uniform magnetic field and moves in a circular path of radius 10.0cm.

1. How do populations of invasive species continue to grow, and disrupt ecosystems? 2. What are natural factors that can cause the introduction of invasive species?

Sophee left her house on her bike and traveled 3 kilometers north, 5 kilometers east, 3 meters south, then 5 meters west arriving home in time for dinner. What is her distance and displacement?

The spread of uniform construction technology can be traced to which of the following developments?

What does this mathematical expression mean? D 1/T A. Density is directly related to temperature B. Density is indirectly related to temperature C. Density is inversely related to temperature D. Density equals the inverse of temperature

Which formula is used to calculate the mass of an object if the force and acceleration are known? a: m = Fa b: m = F/a c: m = a/F d: m = F - a

The circulatory system keeps the body and its tissues continuously oxygenated. It does this by having A) veins to carry both oxygenated blood to the tissues and deoxygenated blood to the lungs.

What is the "atomic mass" of an atom?

What type of energy comes from the food that we eat?

Which of the following are vector quantities? check all that apply. a. time b. displacement c. force d. mass