A 1.00 kg hammer dropped from a height of 2.00 m on the moon (a frictionless environment where g = 1.63 m/s2) gains how much kinetic energy? a. 1.00 J b. 1.63 J c. 2.00 J d. 3.26 J

What happens to the light rays when they hit the specimen?

Which of the following are properties of mechanical waves? check all that apply ⭕️ particles of the medium move back and fourth, but do not move with the wave. ⭕️ the particles of the medium always move parallel to the wave motion. ⭕️ wave motion begins with a disturbance in the medium. ⭕️ waves transport energy from a source outward, away from the source.

Simple machines can a. increase force only b. decrease force only c. increase or decrease force