Mr. Jones and Amalia are running late to the school field trip bus. Mr. Jones has a 12kg laptop case, a 14kg backpack, and a 5kg water bottle. Amelia has a 20 kg backpack and a 5kg water bottle. Mr. Jones has to run from his classroom to the bus, 45m. It takes Mr. Jones 180s and it takes amelia 240s. Who did more work, Amelia or Mr. Jones? Who was more powerful? I NEED HELP ASAP!

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

hope this ! : )

total distance/total time

(85 + 82)/(5+3)

167/8

20 just over

the answer is the first electromagnet (a). this is because it has more coils around the ferromagnetic material. increasing the number of coils increases the surface area in which the metal interacts with the current in the coil. this enables more atoms in the metal to become aligned hence becoming more magnetized.