"Spiderman is swinging from skyscrapers. He swings north 11 km, chasing down the Green Goblin. He then swings south 7 km to get a hot dog. After that, he swings 15 km to go to school. Finally, at the end of the day, he swings back home south 6.5 km to his apartment. He did this all in 8 hours A. What is Spiderman's average velocity?
B. What is Spiderman's average speed?

Please at least give me help with how to calculate this. Don't waste your time doing the actual problem. I just need the method of solving it.

Aforce of 240.0 n causes an object to accelerate at 3.2 m/s2. what is the mass of the object?

Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix. b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds. c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer. d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.

Which of these questions might a character ask if the conflict is man versus self? a. which path should i take to better myself? b. which boulder will be too heavy for me to carry? c. which friend is going to ditch me today? d. all of the above