Monarch butterflies can sustain air speeds of 4.8 m/s while migrating. a certain monarch wants to fly to a location due east 4.7 km away. a steady 2.4 m/s breeze is blowing from the west to the east. how long will it take the monarch to make the trip to the location to the east?

Select all the correct answers. which three statements about electromagnetic radiation are true?

Simon is writing a story about an astronaut whose spacecraft has been boarded by space pirates. the astronaut has her lucky penny in her hand behind her back as the space pirates break into the control room. she has just locked the controls so that the ship is accelerating in the direction of the control room’s ceiling. simon wants the astronaut to use the penny to hit a button on the control panel to turn off the lights and escape. the button is located a short distance behind and below the astronaut’s hands. how should simon use the theory of relativity to describe what the astronaut must do in order to hit the button?

Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.