An omnidirectional loudspeaker produces sound waves uniformly in all directions. the total power received by a sphere of radius 2.40 m centered on the speaker is 160 w. part a a sphere of radius 4.80 m will receive a total power of a sphere of radius 4.80 will receive a total power of 160 w. 80.0 w. 40.0 w.

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.

access to city

explanation: