Answer:
The answer is below
Explanation:
Given that:
mass (m) = 86 kg, distance (L) = 2.75 m, θ = 31°, force (F) = 595 N, initial velocity () = 2.4 m/s, g = acceleration due to gravity = 9.8 m/s²
The net work can be gotten from the equation:
From the work-energy theorem equation, we can get her speed at the top of the ramp ()
Hence:
Explanation:
Given that,
Height of object = 3.0 cm
Distance of object u= 48 cm
Focal length = 48 cm
We need to calculate the image distance
Using formula of lens
Put the value into the formula
(I). The image is real.
(II). The distance of the image from the lens is 14.11 cm.
(II). The image is inverted.
(IV). We need to calculate the height of the image
Using formula of magnification
Put the value into the formula
The height of the image is 0.88 cm.
Hence, This is the required solution.
For any temperature scale the ratio of difference of temperature will be same
so we can write
now given that in both scales the temperature must be same
<em>so at above temperature both scales will have same temperature</em>
The total flux through the cylinder is zero.
In fact, the electric flux through a surface (for a uniform electric field) is given by:
where
E is the intensity of the electric field
A is the surface
is the angle between the direction of E and the perpendicular to the surface, whose direction is always outwards of the surface.
We can ignore the lateral surface of the cylinder, since the electric field is parallel to it, therefore the flux through the lateral surface of the cylinder is zero (because and
).
On the other two surfaces, the flux is equal and with opposite sign. In fact, on the first surface the flux will be
where r is the radius, and where we have taken since the perpendicular to the surface is parallel to the direction of the electric field, so
. On the second surface, however, the perpendicular to the surface is opposite to the electric field, so
and
, therefore the flux is
And the net flux through the cylinder is