From Earth stars appear very dim, but in space they are quite bright. From Earth we are seeing the stars A) absolute magnitude
B) apparent magnitude
C) available magnitude
D) absent magnitude

Juan created a chart to him study for a test. which headings best complete the chart? x: transparent objects y: opaque objects x: opaque objects y: transparent objects x: high frequency waves y: low frequency waves x: low frequency waves y: high frequency waves

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

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter