Answer:
Explanation:
Given
magnitude of vector
vector makes an angle of with x-axis
Vector can be resolved into two components i.e. vertical and horizontal
Horizontal component along x-axis
along the negative x-axis
in a railyard a train is being put together from freight cars.An empty freight car coasting 10 m/s strikes a loaded car that is
1 answer:
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Answer:
he maximum frequency occurs when the denominator is minimum
f’= f₀
Explanation:
This is a doppler effect exercise, where the sound source is moving
f = fo when the source moves towards the observer
f ’=f_o Alexandrian source of the observer
the maximum frequency occurs when the denominator is minimum, for both it is the point of maximum approach of the two objects
f’= f₀