A bird is flying directly toward a stationary bird-watcher and emits a frequency of \( 1250 \mat...

Channel:
PW Solutions
Subscribers:
456,000
Published on ● Video Link: https://www.youtube.com/watch?v=6T5EUzhTPaE


Duration: 4:49
14 views
0

A bird is flying directly toward a stationary bird-watcher and emits a frequency of \( 1250 \mathrm{~Hz} \). The bird-watcher, however, hears a frequency of \( 1290 \mathrm{~Hz} \). What is the speed of the bird, expressed as a percentage of the speed of sound?
(A) \( 2.0 \% \)
(B) \( 0.97 \% \)
(C) \( 3.1 \% \)
(D) \( 1.4 \% \)
ЁЯУ▓PW App Link - https://bit.ly/YTAI_PWAP
ЁЯМРPW Website - https://www.pw.live



Other Videos By PW Solutions


2022-11-16If the height of a cone is doubled, then find the percentage increase in its volume.
2022-11-16Which species is the oxidizing agent in the following reaction? \[ \mathrm{Cl}_{2}(a q)+2 \mathr...
2022-11-16Solution of \( \frac{x-7}{x+3}2 \) is (A) \( (-3, \infty) \) (B) \( (-\infty,-13) \) (C) \( (-13...
2022-11-16рдирд╛рдЗрдЯреНрд░реЛрдореЗрдереЗрди рдХреЛ рдбрд╛рдЗрдореЗрдерд┐рд▓рдРрдореАрди рдореЗрдВ рдЖрдк рдХреИрд╕реЗ рдкрд░рд┐рд╡рд░реНрддрд┐рдд рдХрд░реЗрдВрдЧреЗ-
2022-11-16The volumes of two spheres are in the ratio \( 64: 27 \). If the sum of their radii is \( 21 \ma...
2022-11-16A cube of \( 9 \mathrm{~cm} \) edge is immersed completely in a rectangular vessel containing wa...
2022-11-16A hemispherical dome of a building needs to be painted. If the circumference of the base of the ...
2022-11-16The number of ordered triplets of positive integers which are solutions of the equation \( x+y+z...
2022-11-16If \( n_{e} \) and \( n_{h} \) are the number of electrons and holes in a semiconductor heavily ...
2022-11-16рд╕рдореВрд╣ 15 рдХреЗ рддрддреНрддреНрд╡реЛрдВ рдХреЗ рд╣рд╛рдЗрдбреНрд░рд╛рдЗрдбреЛрдВ рдореЗрдВ рд╕реЗ рдкреНрд░рдмрд▓рддрдо рдЕрдкрдЪрд╛рдпрдХ рд╣реИред
2022-11-16A bird is flying directly toward a stationary bird-watcher and emits a frequency of \( 1250 \mat...
2022-11-16If \( S \) denotes the sum of an infinite G.P. and \( S_{1} \) denotes the sum of the squares of...
2022-11-16Give the scientific name of the pathogen causing malignant malaria in humans.
2022-11-16Chloride shift is essential for the transport of (A) \( \mathrm{CO}_{2} \) and \( \mathrm{O}_{2}...
2022-11-16The inner diameter of a circular well is \( 2 \mathrm{~m} \) and its depth is \( 10.5 \mathrm{~c...
2022-11-16The length, breadth and height of a cuboid are \( 20 \mathrm{~m}, 24 \mathrm{~m} \) and \( 12 \m...
2022-11-16To maintain beauty of a monument, the students of the Delhi Public School cleaned and painted th...
2022-11-16pThe sum of first \( n \) terms of two APs are in the ratio \( (3 n+8):(7 n+15) \)./ppFind the r...
2022-11-16Female secondary sexual features are not essential for reproduction but likely function as sexua...
2022-11-16рдХрд┐рд╕реА p-n рд╕рдиреНрдзрд┐ рдХрд╛ рдкреВрд░реНрдг-рддрд░рдВрдЧ-рджрд┐рд╖реНрдЯрдХрд╛рд░реА рдХреЗ рд░реВрдк рдореЗрдВ рд╡рд░реНрдгрди рд╣реЗрддреБ рдкрд░рд┐рдкрде рдЪрд┐рддреНрд░ рдЦреАрдЪреЗрдВред
2022-11-16The floor of a rectangular hall has a perimeter \( 120 \mathrm{~m} \). If the cost of painting t...