Which of the following is a predicted answer to a scientific question

A. an experiment

B. A Hypothesis

C. an observation

D. A Conclusion

What was Copernicus's model of the solar system?

A pipe in a manufacturing plant is transporting superheated vapor at a mass flow rate of 0.3 kg/s. the pipe is 10 m long, has an inner diameter of 5 cm and pipe wall thickness of 6 mm.

Traveling in a straight line, the car slows down uniformly from 28 m/s, taking 3.5 s to come to as stop. what is the car's average acceleration during the 3.5 s? How far does the car travel during the 3.5 s it take to stop?

When all parts of a circuit are composed of conducting materials, the circuit is said to be a. closed. b. open. c. parallel. d. shorted.

What happens to gravitational potential energy as a rollercoaster moves down a hill? a. It is converted to elastic potential energy. b. It is converted to kinetic energy. c. It increases. d. It remains constant.

If the medium moves perpendicular to the direction of the wave motion, the wave is classified as a longitudinal wave. True or False?

Define energy and provide examples of potential and kinetic energy

Which of the following is the best description of a graph? A. Equations that can be plotted B. A representation of an equation C. Independent and dependent variables D. x and y lines

Is the water in the U. S different than the water in Europe?

What gauge pressure is required in the city water mains for a stream from a fire hose connected to the mains to reach a vertical height of 16.0 m?