What is happening with the "lava" in lamp a? explain your response. what is happening with the "lava" in lamp b? explain your response. relate your observations of lava lamp b to mantle convection and plate tectonics. what does the heat source of the lava lamp represent in the earth? what does the lava represent in the earth? if the lava lamp had floating pieces of foam at the top, what would they do? what would these foam pieces represent on the earth?

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

The mini-refrigerator fire was most likely caused by what type of wiring?

Apair of 10μf capacitors in a high-power laser are charged to 1.7 kv.a. what charge is stored in each capacitor? b. how much energy is stored in each capacitor?