Ball a of mass 5. 0 kilograms moving at 20. Meters per second collides with ball b of unknown mass moving at 10. Meters per second in the same direction. After the collision, ball a moves at 10. Meters per second and ball b at 15 meters per second, both still in the same direction. What is the mass of ball b?.

What is the missing step in this proof? scroll down to see the entire proof. u

Choose the best option to complete the statement. the purpose of the first phrase of the u. s. constitution, "we the people," is to demonstrate the power of the president to the people show the people that the government leaders are in charge show that the people created the government and that it exists for the people discourage enemihoees of the people from trying to interfere with our country

Abag contains even and odd numbered balls in the ratio of 3: 7, respectively. for each of the following, what is the probability of drawing an even-numbered ball? the total number of balls is 240 and 30 of the odd-numbered balls are renumbered by multiplying the numbers by 4.