Aroller coaster moves 200 ft. horizontally, then rises 135 ft. at an angle of 30 degrees above the horizontal. it then travels 135 ft. at an angle of 40 degrees below horizontal. what is its displacement from its starting point at the end of this movement? use graphical techniques and also find the magnitude and direction.

Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.

Suppose a wire with a current is pushed upward by a magnetic field. how would the wire move if the direction of the current reversed? explain your answer.

Which magnetic property best describes a magnet’s ability to act at a distance? magnets are dipolar. magnets attract only certain objects. magnets have magnetic fields. magnets can transfer their properties to certain materials.