Who was the first astronaut to step outside of the Apollo 11 spacecraft, saying the now famous words “one small step for man, one giant step for mankind” as he placed the American flag on the rocky terrain?
Buzz Aldrin
Michael Collins
Neil Armstrong
Yuri Gagarin

In which of the following cases is work being done on an object? question 2 options: pulling a trailer up a hill carrying a box down a corridor suspending a heavy weight with a strong chain pushing against a locked door

Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue

Select the three ways that the parallel-plate capacitor differs from a car battery.