According to Newton's First Law, if there are no unbalanced forces acting on an object, Question 6 options:

it will eventually come to a stop.

it will change direction.

it will maintain a constant speed and direction.

it will speed up.

What would the difference of spectral lines emitted by hydrogen gas in distant galaxies which is normally found at a wavelength of 21 cm on earth, be observed at 21.1 centimeters?

What is a carrier wave and how does it affect what you hear on the radio

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final