Answer:
Explanation:
speed of sound in 24 degrees celsius
345.48m/s
hence 345.48m/s x 3s = 1036.44m
Answer:
Electrical energy is answer
Explanation:
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Answer:
(A) 
(B) 
Explanation:
We have given inductance 
Resistance 
Time constant of RL circuit is equal to 

Battery voltage e = 16 volt
(a) It is given current becomes 79.9% of its final value
Current in RL circuit is given by

According to question





(b) Current at 



Answer:So, the wavelength is 400 nm and 4000 A°
Explanation:
A pascal is defined as 1 N/m^2.
So 70 N/m^2 = 70 pascals = 70 Pa
Note: written in full, pascal is in lower case. The abbreviation is Pa, written with a capital P.