Acoil with a wire that is wound around a 2.0 m1355_files/i0130000.jpg hollow tube 35 times. a uniform magnetic field is applied perpendicular to the plane of the coil. if the field changes uniformly from 0.00 t to 0.55 t in 0.85 s, what is the induced emf in the coil? a. –45 v c. 33 v b. –33 v d. 45 v

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.

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?

Ascientist wants to test ways to reduce pollution in lake . what is the bestway of doing this