a 58.72 person holding a steel ball stands motionless on a frozen Lake The Person then throws the Ball Which propells the person at 1.05m/s to the right and the ball 3.75m/s to the left If The initial momentum of the system is zero what is the mass of the steel Ball A. 3.57 B .3.73 C. 16.44 D. 15.66

the best answer for these questions would be:

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.