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marusya05 [52]
3 years ago
9

37 Questions - All Questions Are Required

Physics
2 answers:
Ahat [919]3 years ago
6 0
A= dv / dt
a= (22 - 10)/3
a= (12)/3
a= 4 m/s²
ANTONII [103]3 years ago
5 0
Acceleration = vf-vi /t
10-22/3=2.6m/s^2

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Two radio antennas A and B radiate in phase. Antenna B is a distance of 120 m to the right of antenna A. Consider point Q along
LuckyWell [14K]

Answer:

240 m

120 m

Explanation:

d = Path difference = 120 m

For destructive interference

Path difference

d=\dfrac{\lambda}{2}\\\Rightarrow \lambda=2d\\\Rightarrow \lambda=2\times 120\\\Rightarrow \lambda=240\ m

The longest wavelength is 240 m

For constructive interference

d=\lambda\\\Rightarrow 120\ m=\lambda

The longest wavelength is 120 m

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Light wave is transverse and sound is longitudinal.

Explanation:

2.

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