Winds are immigrants. They're named for where they have already been and are coming from, not for where they're going.
A Westerly wind is coming from the West. Anything caught in it is being blown toward the east.
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These atoms are isotopes
Isotopes are atoms with the same number of protons (which determine the atomic number) and a different number of neutrons. These two atoms have the same number of protons (13), but a different number of neutrons, so they are isotopes.
According to their number of protons, these are Aluminum isotopes: ²⁷Al (stable), and ²⁶Al (radioactive), respectively.
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So the velocity of ball b is 6.50kg then just simple reciprocate the kgm of ball A
Answer:
<em>(a) Effect of pressure :</em>
<em>(a) Effect of pressure :(b) Effect of temperature :</em>
<em>(a) Effect of pressure :(b) Effect of temperature :(c) Effect of density :</em>
<em>(a) Effect of pressure :(b) Effect of temperature :(c) Effect of density :(d) Effect of moisture (humidity):</em>
<em>(a) Effect of pressure :(b) Effect of temperature :(c) Effect of density :(d) Effect of moisture (humidity):(e) Effect of wind:</em>
Explanation:
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Answer: The answer: The car is moving away from you.
Both A and C are true as Car can be moving in line away from you or has component of velocity in opposite direction.
Explanation:The decrease in the frequency of the sound is the result of Doppler's effect. A/c to Doppler's effect the frequency of received sound of source is changed if it is moving relative to the receiver, i.e. the distance between them is changing due to motion.
The general formula of Doppler's Effect is attached as the picture.
In this formula v_D is the velocity of Detector i.e the receiver relative to wind. While v_s is the velocity of source relative to wind and v is the velocity of sound.
The Doppler's effect is not effected by the velocity of wind as the wind itself could not change the distance between the two objects i.e. you and the car. Wind velocity can change the speed of sound and its wavelength but the change does not effect the frequency.
Hence if we assume the car to be moving with velocity v_c and you are stationary

hence the frequency is reduced.