A car weighs 1323 N. what is its mass?
2 answers:
Answer:
Mass of the car, m = 135 kg
Explanation:
The weight of the car is 1323 N. Let m is its mass. The relation between the mass and weight comes form Newton's second law of motion. We know that the weight of an object is the force that is exerted due to acceleration due to gravity.
The mathematical form of weight of an object is given by :
W = mg
g is the acceleration due to gravity
m = 135 kg
So, the mass of the car is 135 kg. Hence, this is the required solution.
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Answer:
Explanation:
plate separation = 2.3 x 10⁻³ m
capacity C₁ = ε A / d
= ε A / 2.3 x 10⁻³
C₂ = ε A / 1.15 x 10⁻³
=
a ) when charge remains constant
energy =
q is charge and C is capacity
energy stored initially E₁=
energy stored finally E₂ =
=
=
=
= 4.19 J
b )
In this case potential diff remains constant
energy of capacitor = 1/2 C V²
energy is proportional to capacity as V is constant .
= 16.76 .