How did Galileo show that gravity is a constant acceleration and not different for each object? 1. He watched pendulums swing and recorded their speed and weight.
2. He shot two arrows straight into the sky and watched them fall.
3. He dropped two objects with different masses from the Tower of Pisa.
4. He rolled hundreds of different balls down the same hill and recorded their speeds.

hm

Explanation:

1he watched pendulum swing and

demand is the need and oportunity to buy a given good or service.

answer

the statement that best describes president carter’s attempt to free the hostages in iran is c. all of the attempts failed.

explanation

the operation eagle claw conducted by the united states armed forces was a failed mission which aimed to rescue 52 americans captured as hostages in the american embassy, tehran on 24/4/1980.the mission was authorized by president jimmy carter. the failures included;   obstacles in operation that included operational conditions challenges caused by sandstorms, hydraulic problems of one the helicopters and , mechanical failure of another helicopter that was identified as a cracked rotor blade and the crashing of another helicopter during mission abortion causing death of 8 service persons.