A football player with a mass of 89 kg and a speed of 2.1 m/s collides head-on with a player from the opposing team whose mass is 120 kg . The players stick together and are at rest after the collision. Find the speed of the second player, assuming the speed of light is 3.2 m/s .IvI= m/s

b

explanation:

no. dot product   =0 when vecs at right angles

root word, prefixes, and suffixes

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1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.