Answer:
a) 1.55 cm
b) 4.25 cm
Explanation:
Given:
Distance between an object and the image = 5.80 cm
Focal length of the lens, f = -2.60 cm
let the image distance be 'v' and the object distance be 'u'
thus,
u + v = 5.80 cm
or
u = 5.80 - v
from the lens formula, we have
on substituting the values, we have
on rearranging, we get
-3.84 × (v × (5.80 - v)) = v + 5.80 - v
or
-2.23v + 3.84v² = 5.80
or
3.84v² - 2.23v - 5.80 = 0
on solving the quadratic equation, we get
v = 1.55 cm
and u = 5.80 - 1.55 = 4.25 cm
hence,
a) 1.55 cm
b) 4.25 cm
Answer:
2500 J
Explanation:
We can solve the problem by using the first law of thermodynamics:
where
Uf is the final internal energy of the system
Ui is the initial internal energy
Q is the heat added to the system
W is the work done by the system
In this problem, we have:
Q = +1000 J (heat that enters the system)
W = +500 J (work done by the system)
Ui = 2000 J (initial internal energy)
Using these numbers, we can re-arrange the equation to calculate the final internal energy:
Data was used from three different stations. Where their data overlapped was where the epicenter was located.
it is called triangulation
Answer:
Friction force is the force that one object exerts in another when the two rub against each other. Most of the time, friction force opposes the motion of an object.
Explanation:
Answer:
D). 
Explanation:
As we know that temperature scale is linear so we will have
now we have
so the relation between two scales is given as
now we know that in kelvin scale the absolute temperature is 600 K
so now we have
so correct answer is
D).
