Your answer is B. or 2 - After it has hit the ground.
I took this quiz today and got this correct
Answer:
2 Andy's car rolls down a hill with the engine off
Explanation:
work is said to be done whenever a force moves a body a distance in the direction of the force note stationary object don't move so no distance is covered.
Answer: Thus the volume of the balloon at that new location is 
Explanation:
Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.
The combined gas equation is,
where,
= initial pressure of gas = 0.995 atm
= final pressure of gas = 0.720 atm
= initial volume of gas = 
= final volume of gas = ?
= initial temperature of gas = 
= final temperature of gas = 
Now put all the given values in the above equation, we get:
Thus the volume of the balloon at that new location is
Answer:
double-protected
Explanation:
If a package is inside a package, the item inside the second package is double-protected, because the outer package will keep it safe.
Hope this helps!
