Question 5: Explain how your battery works. (HINT: You may want to look at lesson 3.02) What are some possible materials you could use to make your battery? DON’T FORGET TO include information about why it is important to use two different types of materials to make a battery. Also don't forget to discuss the electron affinities.

Aferris wheel is a vertical, circular amusement ride with radius 9 m. riders sit on seats that swivel to remain horizontal. the ferris wheel rotates at a constant rate, going around once in 9 s. consider a rider whose mass is 56 kg. at the bottom of the ride, what is the perpendicular component of the rate of change of the rider's momentum? at the bottom of the ride, what is the vector force exerted by the seat on the rider?

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87

Abumper car with a mass of 250 kg is traveling at a speed of 4 m/s. this bumper car collides and sticks to a second bumper car with a mass of 250 kg, which is initially at rest. what is the final speed of these two bumper cars after the collision, assuming they remain stuck together?