What is the mass of a squirrel if it has 40 J of potential energy in sitting on a house 2.5 m

1.6 kg

Explanation:

Given:

PE = 40 J

h = 2.5 m

g = 10 m/s^2

To Find:

m = ?

Solution:

PE = mgh

40 = m(10)(2.5)

40 = 25m

m = 40 / 25

m = 8 / 5

Therefore, m = 1.6 kg

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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