Robotic technology is used for servicing spacecrafts. one group of scientists used robotic technology to design this model of a mechanical arm which allows surgeons to use many instruments simultaneously.

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.

What is a good example of instantaneous speed

Which of the following are guidelines to follow for obtaining accurate observations