Ineed a answer

earthquakes cause seismic waves that travel through the earth. seismic waves can cause damage to buildings. for example, part of the building in the photo collapsed during an earthquake.

how do seismic waves cause damage?
a.
they open up large holes that buildings fall through.
b.
they create strong winds that blow the buildings down.
c.
they send electrical energy through the ground.
d.
they make the ground move and shake.

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.