Antacids contain bases that react with the acid in your stomach to relieve indigestion. In the reaction below, NaHCO3 reacts wit
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Answer:
the distance between the person and the hill is 330 m.
Explanation:
Given;
speed of sound in air, v = 330m/s
time of sound travel, t = 2 s
The distance between the person and the hill is calculated as;
Therefore, the distance between the person and the hill is 330 m.
Explanation:
It is given that,
Length of solenoid, l = 28 cm = 0.28 m
Area of cross section, A = 0.475 cm² = 4.75 × 10⁻⁵ m²
Current, I = 85 A
(a) The inductance of the solenoid is given by :
L = 0.0000886 H
(b) Energy contained in the coil's magnetic field is given by :
U = 0.3200675 Joules
or
U = 0.321 Joules
Hence, this is the required solution.