An important characteristics of a wave is that the travel through the substance although the travel through the substance.

a. wave does not; energy of the wave does
b. energy of the wave does not; wave does
c. wave does not; particles in the substance do
d. particles in the substance do not; wave does

i guess it’s a and b

this could be newton#'s law of cooling. the cooling curve is exponential

when two balls of the different masses are dropped from equal height, they reach the ground at the same time .this is because they experience the same acceleration.

the acceleration is independent of mass.

thus when they are dropped they will always maintain the same velocity and travel the same distance (neglect air resistance of course) at the same time.

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