The communications of the ship were made inoperable by electromagnetic waves sent by the death star that were completely out of phase with attempted communications causing a. reflection b. refraction c. constructive interference d. destructive interference

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?

When a bicycle coasts uphill, it moves slower and slower as it climbs. why? a. its kinetic energy is transforming into heat energy. b. its potential energy is transforming into kinetic energy. c. its kinetic energy is transforming into potential energy and heat energy. d. its potential energy is transforming into kinetic energy and heat energy.

An electron is traveling with initial kinetic energy k in a uniform electric field. the electron comes to rest momentarily after traveling a distance d. (a) what is the magnitude of the electric field