8N - 6cm
10N - 7.5cm
14N - 10.5cm
Answer:
Part a)
First image
second image
Part b)
First image
Second image
Explanation:
When object is placed between mirror and convex mirror
then for the first image
now from the mirror formula
here we have
For second position of image we will take object for convex mirror to be the position of image formed in plane mirror
so the distance of that image from convex mirror is
now by mirror formula
Part b)
Height of image and height of object is related by the equation
for height of second image
<span>Use s = ut + 1/2 at^2, so
s = 0 + 1/2 x20 x 1.8 x 1.8
s = 32.4 m.</span>
Answer:
3. increases with an increase in temperature.
Explanation:
The air more water vapor at higher temperatures because at higher temperatures the air expands and the inter-molecular space increases so the room for water molecules increases.
Warm air keeps the water molecules warm and prevents them from condensing.
The air can hold the moisture only upto its saturation quantity after which the precipitation occurs in the form of rain, snow, hail, sleet etc.
Answer:
Explanation:
kenetic is made for thermal things