What is the magnitude of the electric field needed for a proton to gain an acceleration of 500,000 m/s2? The charge of a proton is 1.6 x 10-19 C and the mass of an electron
is 1.67 x 10-27 kg.

radiation warms things up temp rises convection currents air circ windy weather

in physics zero. in muscle fatigue could be high

a. are

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.