Answer:
h=18.05 cm
Explanation:
Given that
m= 25 kg
K= 1300 N/m
x=26.4 cm
θ= 19.5 ∘
When the block just leave the spring then the speed of block = v m/s
From energy conservation



By putting the values


v=1.9 m/s
When block reach at the maximum height(h) position then the final speed of the block will be zero.
We know that

By putting the values

h=0.1805 m
h=18.05 cm
Answer with Explanation:
The force of attraction between 2 charges of magnitude
separated by a distance 'r' is given by
where
is a constant known as permitivity of free space

Applying the given values in the above relation we get

Answer:
The capacitance of the deflecting plates is
.
Explanation:
The expression for the capacitance of the capacitor in terms of area and distance is as follows;

Here, C is the capacitance, A is the area, d is the distance and
is the absolute permittivity.
Convert the side of the square from cm to m.
s= 3.0 cm
s= 0.030 m
Calculate the area of the square.

Put s= 0.030 m.


Convert distance from mm to m.
d= 5.0 mm

Calculate the capacitance of the deflecting plates.

Put
,
and
.



Therefore, the capacitance of the deflecting plates is
.
The centripetal force is force acting on a body in circular motion. In circular motion, velocity is always on tangent and if we took 2 different positions on a circle, the change on velocity is a vector pointing in the middle of circle. In circular motion velocity is constant, and acceleration lies on radius of circle pointing to te middle. This acceleration is called centripetal acceleration, and the force is centripetal.