Which of the following would be best used as an electrical insulator?
a. copper
b. silver
c. salt water
d. wood

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

Acrow drops a 0.11kg clam onto a rocky beach from a height of 9.8m. what is the kinetic energy of the clam when it is 5.0m above the ground? what is its speed at that point?

A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm