What causes a star to shine brightly?

the color that is produced

the energy that is released

the amount of gravity that is present

the types of elements that are present

You are driving straight, travelling at 25 mph. You stomp on the brakes and come to a complete stop in a distance of 15 m.

Consider the transition from the energy levels n = 3 to n = 6. what is the wavelength associated with this transition, in nm?

An aluminium container of mass 100 GM contains 200gm of ice at - 20c heat is added to system at rate of 100 Cal/s find temp of system after 4minutes

How many hectopascals corresponds to the pressure of a 15 mm high column of mercury?

Which term best describes the phrase "something that happens"? A. Experiment B. Observation C. Hypothesis D. Phenomenon

A 2-kg object is dropped from a height of 1000 m. What is the force of air resistance on the object when it reaches terminal velocity

What is the approximate increase in size from a 1 w to a 2w carbon resistor?

I am looking for this answer : Which shows a correct order of steps in the scientific method? develop a hypothesis, analyze data, make observations, draw conclusions make observations, draw conclusions, develop a hypothesis, analyze data.

A gas in a piston is compressed doing - 439 j of work, and its internal energy increases by 318 j. how much heat flows? (be careful with + and -. + w = expansion. + q = added, + u = temp goes up) (unit = j)

A loop of wire is placed in a uniform magnetic field. (a) For what orientation of the loop is the magnetic flux a maximum? The plane of the loop is perpendicular to the magnetic field. The plane of the loop is parallel to the magnetic field.