a car starts from rest and travels for 5.0 s with a uniform acceleration of -1.5 m/s^2.the driver then applies brakes, causing a uniform acceleration of -2.1m/s^2 for an interval of 3.0s

What is work? how much work is done to move an object 0 meters?

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.

If a simple machine reduces the strength of a force, what must be increased?