The coolest and dimmest space objects emit radiation of longer wavelengths than those we can see. a detector for which type of electromagnetic radiation is most suitable to study cool dim stars?

1. gamma ray
2. infrared
3. ultraviolet
4. x-rays

What acceleration is produced when a 3,000-n force acts on a 1,200-kg car? ignore the friction

Which sequence of transformations on preimage ∆abc will not produce the image ∆a'b'c'? a. reflection across the line y = x b. rotation 180° clockwise about the origin followed by a reflection across the line y = -x c. reflection across the x-axis followed by a reflection across the y-axis d. reflection across the line y = -x followed by a rotation 180° counterclockwise about the origin e. reflection across the y-axis followed by a rotation 90° clockwise about the origin

When you cross a time zone going east, what happens to the time