Why should people pay attention to scientists when making decisions? A) scientist are the smartest people B) Scientist make up facts that they wish true C) scientist use experiments to test their ideas D) scientist are always correct

A butcher has a beam balance and masses 0.5kg and 2kg. How would he measure 1.5kg of meat on the balance at once

If a 15 kg mass accelerates at a rate of 4 m/s2, what net force acts on it? A 15 N B 4N C 3.75 N D 60 N E. 267 N

What happens to water vapor as it rises in the atmosphere? A. Heats and condenses B. Heats and expands C. Cools and condenses D. Cools and expands

What does "Time (s) " represent in the graph? the y-axis the dependent variable an inverse relationship the independent variable

Jeremy accidently dropped his toy stuffed animal from the balcony of his apartment on the fourth floor. The toy hit the ground at a velocity of 16.0 meters/second. At impact, it took 2.0 seconds for the toy's velocity to reach 0 meters/second.

The gravity of mercury is 3.7 n/kg. Find the mass of an astronaut who weights 241 Newton's on mercury

Why does oxygen have a lower ionization energy than nitrogen?

Traditional Indonesian music uses an ensemble called a gamelan that is based on tuned percussion instruments somewhat like gongs. In Bali, the gongs are often grouped in pairs that are slightly out of tune with each other.

An instrument used to detect a static electric charge is called an ammeter. a. true b. false

A heat engine has a cold reservoir of 250°C and a hot reservoir of 715°C. What is the efficienvy of the engine?