Review: P = W/At
W =Px Δt
t = W/P
Solve: The world's tallest lighthouse is located in Japan and is 106 m tall. A winch
that provides 3.00 x 10^2 W of power is used to raise 72.0 kg of equipment to
the lighthouse top at a constant velocity. How long (in minutes) does it take the
equipment to reach the lighthouse top?*
Your answer
This is a required question

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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.

energy stored in the capacitor= 9.72 x 10⁻⁴ j

explanation:

the energy stored in the capacitor is given by

e= 1/2 c v²

e= energy stored

c= capacitance= 1.5 µc= 1.5 x 10⁻⁶f

v= potential difference=36 v

so energy stored= e= 1/2 (1.5 x 10⁻⁶) (36)²

energy stored= 9.72 x 10⁻⁴j