An exothermic reaction is a chemical reaction that releases heat. It gives net energy to its surroundings. That is, the energy needed to initiate the reaction is less than the energy released. ... Δ H = (energy used in forming product bonds) − (energy released in breaking reactant bonds)
Answer:
216 m
Explanation:
Assuming a straight line:
Δx = vt
Δx = (12 m/s) (18 s)
Δx = 216 m
Answer:
I = 1.496A
Explanation:
B = (U₀ I/4πr) =3. 4 × 10⁻⁶T
3. 4 × 10⁻⁶ = 10⁻⁷ × I/0.044
I = 1.496A
We know, length of segment wave is half the wavelength .
Let, wavelength of wave is .
So, length of segment will be .
Now, it is given that the string vibrates in four segments.
So,
Speed can be given by :
Therefore, the wave speed in the string is 120 m/s.