Answer:b)1770 kWh
Explanation:
Given
volume of water
Temperature rise
also 1 kg mass is approximately is 1 gallon
therefore 40,000 gallon is equivalent to 3.8\times 40000 kg
heat Required to raise temperature is
Answer:
Explanation:
a ) If x be the position of n the bright fringe on the screen , following formula holds .
x = n (λD / d) ; λ is wave length , D is screen distance and d is slit separation .
If we increase the value of λ or wave length, x will increase so central fringe along with all the fringes will shift away from the centre .
If we increase the value of D or screen distance , it will also increase x , so fringes along with central fringe will shift away from the center.
b ) Fringes ,whether bright or dark , both shift together , either towards or away from the center .
So to move the dark spots towards the center , we need to do the opposite to what we did in the first case , ie decrease the wavelength or decrease the screen distance .
Answer: I'll help you when i end school
Explanation: ok
Answer:
a = 1,000 m/s^2
Explanation:
The take off speed (final velocity) is:
v = 1.0 m/s
The total distance taken is:
d = 0.50 mm = 5 x 10^-4 m
To find the acceleration a, we use the formula: (vi is initial velocity = 0)
v^2 = vi^2 + 2 a d
(1.0 m/s)^2 = 2 a (5 x 10^-4 m)