A 7.5 kg box is gently hung from a vertical spring which stretches out 25 cm. You then stretch the spring an additional 15 cm with your hand. When you release the box, you give it an upwards shove so it has an initial velocity of 2 m/sec. How high will be box go before coming to rest

d eras and periods

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.

inverse v=i*r

nice nice