A 239.46 kg crate slides 5.46 m until coming to a stop after being pushed by a large man. The effective coefficient of kinetic friction between the crate and the surface is
0.35. Calculate the work done by friction.

none, its a machine

the answer to this is proletariats.

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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.