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1 answer:
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Explanation:
It is given that,
Length of the string, l = 2 m
Mass of the string,
Hanged mass in the string,
1. The tension in the string is given by :
T = 1.96 N
2. Velocity of the transverse wave in the string is given by :
m = M/l
v = 28 m/s
Hence, this is the required solution.
Answer:
Q =843780 J
Explanation:
Given that,
The specific heat of a certain type of cooking oil is,
Mass of the oil, m = 2.87 kg = 2870 g
Initial temperature,
Final temperature,
To find,
Heat energy needed to raise the temperature.
Solution,
The heat energy needed to raise the temperature in terms of specific heat is given by :
So, the heat energy needed to raise the temperature is 843780 J.