Answer:
6.41 s
Explanation:
Under constant acceleration we know that
average velocity × time taken = displacement


t = 6.41 s
The proof of used equation is given in the attachment.
A.) the latitude called Tropic Of Capricorn
Yes,it’s an object because it’s solid I think...
Answer:
Explanation:
Given
mass of each railroad is M
first railroad is moving with velocity
and other two's with 
conserving Momentum

where v_f is the final velocity of combined system
(b)Initial Kinetic Energy


Final Kinetic Energy

Loss in Kinetic Energy


1. Marie and her husband discovered polonium, a new radioactive element, and radium. Marie was the first woman to receive a Novel Prize , and two in her lifetime. She was also the first scientist to receive two Nobel Prizes. Not only that, she was the first person to receive two Nobel Prizes in two different fields, Chemistry and Physics. During World War 1 Marie helped soldiers by creating the x ray. After the war ended Marie raised money to help cure and treat disease using radiology.
2. I am not exactly sure what is happening in that picture but it looks like a boat floating on sea than sunken by a shipwreck on dry land.